10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

þ  QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

     For the quarterly period ended February 28, 2015

OR

o  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

     For the transition period from _________ to __________

Commission file number: 000-22893

AEHR TEST SYSTEMS

(Exact name of Registrant as specified in its charter)

California	94-2424084
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
400 Kato Terrace,  Fremont, CA	94539
(Address of principal executive offices)	(Zip Code)

(510) 623-9400

(Registrant’s telephone number, including area code)

     Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period as the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  þ       No  o

     Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).          Yes  þ        Noo

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     Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company.  See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer                           o	Accelerated filer                            o
Non-accelerated filer                             o	Smaller reporting company          þ
(Do not check if a smaller reporting company)

     Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).   Yes   o           No    þ

     Number of shares of the registrant’s common stock, $0.01 par value, outstanding as of March 31, 2015 was 12,709,054.

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AEHR TEST SYSTEMS

FORM 10-Q

 FOR THE QUARTER ENDED FEBRUARY 28, 2015

 INDEX

PART I.  FINANCIAL INFORMATION

ITEM 1.	Financial Statements (Unaudited)
	Condensed Consolidated Balance Sheets at February 28, 2015 and May 31, 2014	4
	Condensed Consolidated Statements of Operations for the Three and Nine Months Ended February 28, 2015 and 2014	5
	Condensed Consolidated Statements of Comprehensive (Loss) Income for the Three and Nine Months Ended February 28, 2015 and 2014	6
	Condensed Consolidated Statements of Cash Flows for the Nine Months Ended February 28, 2015 and 2014	7
	Notes to Condensed Consolidated Financial Statements	8
ITEM 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	18
ITEM 3.	Quantitative and Qualitative Disclosures about Market Risks	23
ITEM 4.	Controls and Procedures	24
PART II. OTHER INFORMATION
ITEM 1.	Legal Proceedings	25
ITEM 1A.	Risk Factors	25
ITEM 2.	Unregistered Sales of Equity Securities and Use of Proceeds	31
ITEM 3.	Defaults Upon Senior Securities	32
ITEM 4.	Mine Safety Disclosures	32
ITEM 5.	Other Information	32
ITEM 6.	Exhibits	32
SIGNATURES		33
Index to Exhibits		34

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PART I.  FINANCIAL INFORMATION

Item 1.  CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

AEHR TEST SYSTEMS

 CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except per share data)

 (unaudited)

	February 28,			May 31,
	2015			2014
				(1)
ASSETS
Current assets:
Cash and cash equivalents	$	2,274		$	1,809
Accounts receivable, net		597			3,390
Inventories		6,854			6,148
Prepaid expenses and other		428			326
Total current assets		10,153			11,673
Property and equipment, net		502			474
Other assets		94			78
Total assets	$	10,749		$	12,225
LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities:
Line of credit	$	115		$	777
Accounts payable		1,631			1,892
Accrued expenses		1,375			1,390
Customer deposits and deferred revenue		1,712			1,058
Total current liabilities		4,833			5,117
Income taxes payable		8			71
Deferred rent, net of current portion		--			8
Total liabilities		4,841			5,196
Aehr Test Systems shareholders' equity:
Common stock, $0.01 par value: Authorized: 75,000 shares;
Issued and outstanding: 12,695 shares and 11,203 shares at February 28, 2015 and May 31, 2014, respectively		127			112
Additional paid-in capital		55,976			52,142
Accumulated other comprehensive income		2,262			2,488
Accumulated deficit		(52,439	)		(47,692	)
Total Aehr Test Systems shareholders' equity		5,926			7,050
Noncontrolling interest		(18	)		(21	)
Total shareholders' equity		5,908			7,029
Total liabilities and shareholders' equity	$	10,749		$	12,225

(1) The condensed consolidated balance sheet at May 31, 2014 has been derived from the audited consolidated financial statements at that date.

The accompanying notes are an integral part of these condensed consolidated financial statements.

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AEHR TEST SYSTEMS

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except per share data)

(unaudited)

	Three Months Ended						Nine Months Ended
	February 28,						February 28,
	2015			2014			2015			2014
Net sales	$	2,027		$	5,612		$	8,200		$	14,314
Cost of sales		1,175			2,742			5,044			7,006
Gross profit		852			2,870			3,156			7,308
Operating expenses:
Selling, general and administrative		1,584			1,701			4,944			4,638
Research and development		1,031			907			3,095			2,386
Total operating expenses		2,615			2,608			8,039			7,024
(Loss) income from operations		(1,763	)		262			(4,883	)		284
Interest expense		(7	)		(7	)		(29	)		(21	)
Other income (expense), net		110			(21	)		201			(85	)
(Loss) income before income tax (expense) benefit		(1,660	)		234			(4,711	)		178
Income tax (expense) benefit		(66	)		(22	)		(36	)		5
Net (loss) income		(1,726	)		212			(4,747	)		183
Less:  Net income attributable to the noncontrolling interest		--			--			--			--
Net (loss) income attributable to Aehr Test Systems common shareholders	$	(1,726	)	$	212		$	(4,747	)	$	183
Net (loss) income per share – basic	$	(0.14	)	$	0.02		$	(0.40	)	$	0.02
Net (loss) income per share – diluted	$	(0.14	)	$	0.02		$	(0.40	)	$	0.02
Shares used in per share calculations:
Basic		12,677			10,982			11,931			10,807
Diluted		12,677			12,277			11,931			11,583

The accompanying notes are an integral part of these condensed consolidated financial statements.

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AEHR TEST SYSTEMS

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME

(in thousands)

(unaudited)

	Three Months Ended					Nine Months Ended
	February 28,					February 28,
	2015			2014		2015			2014
Net (loss) income	$	(1,726	)	$	212	$	(4,747	)	$	183
Other comprehensive (loss) income, net of tax: Net change in cumulative translation adjustment		(111	)		14		(223	)		59
Total comprehensive (loss) income		(1,837	)		226		(4,970	)		242
Less:  Comprehensive income (loss) attributable to the noncontrolling interest		--			--		3			(1	)
Comprehensive (loss) income, attributable to Aehr Test Systems	$	(1,837	)	$	226	$	(4,973	)	$	243

               The accompanying notes are an integral part of these condensed consolidated financial statements.

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AEHR TEST SYSTEMS

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(unaudited)

	Nine Months Ended
	February 28,
	2015			2014
Cash flows from operating activities:
Net (loss) income	$	(4,747	)	$	183
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Stock-based compensation expense		693			625
(Recovery of) provision for doubtful accounts		(44	)		13
Gain on disposal of fixed asset		--			(41	)
Depreciation and amortization		98			119
Changes in operating assets and liabilities:
Accounts receivable		2,584			(685	)
Inventories		(706	)		(546	)
Prepaid expenses and other		(129	)		(123	)
Accounts payable		6			1,075
Accrued expenses		(71	)		8
Customer deposits and deferred revenue		663			(691	)
Income taxes payable		21			(35	)
Deferred rent		(8	)		(71	)
Net cash used in operating activities		(1,640	)		(169	)
Cash flows from investing activities:
Purchases of property and equipment		(106	)		(154	)
Proceeds from sales of property and equipment		--			50
Net cash used in investing activities		(106	)		(104	)
Cash flows from financing activities:
Line of credit repayments, net		(662	)		(695	)
Proceeds from issuance of common stock under private placement, net of issuance costs		2,574			--
Proceeds from issuance of common stock under employee plans		553			502
Net cash provided by (used in) financing activities		2,465			(193	)
Effect of exchange rates on cash		(254	)		(12	)
Net increase (decrease) in cash and cash equivalents		465			(478	)
Cash and cash equivalents, beginning of period		1,809			2,324
Cash and cash equivalents, end of period	$	2,274		$	1,846
Supplemental disclosure of non-cash flow information:
Net change in capitalized share-based compensation	$	29		$	-

                The accompanying notes are an integral part of these condensed consolidated financial statements.

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AEHR TEST SYSTEMS

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

1.  BASIS OF PRESENTATION

 The accompanying financial information has been prepared by Aehr Test Systems, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission, or SEC. Certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles in the United States (GAAP) have been condensed or omitted pursuant to such rules and regulations.

 In the opinion of management, the unaudited condensed consolidated financial statements for the interim periods presented have been prepared on a basis consistent with the May 31, 2014 audited consolidated financial statements and reflect all adjustments, consisting of normal recurring adjustments, necessary for a fair presentation of the condensed consolidated financial position and results of operations as of and for such periods indicated.  These unaudited condensed consolidated financial statements and notes thereto should be read in conjunction with the consolidated financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the fiscal year ended May 31, 2014.  Results for the interim periods presented herein are not necessarily indicative of results which may be reported for any other interim period or for the entire fiscal year.

 PRINCIPLES OF CONSOLIDATION.  The condensed consolidated financial statements include the accounts of Aehr Test Systems and its subsidiaries (collectively, the "Company," "we," "us," and "our").  All significant intercompany balances have been eliminated in consolidation.  For the majority owned subsidiary, Aehr Test Systems Japan, we reflected the noncontrolling interest of the portion we do not own on our Consolidated Balance Sheets in Shareholders’ Equity and in the Consolidated Statements of Operations.

 ACCOUNTING ESTIMATES.  The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Estimates are used to account for revenue adjustments, the allowance for doubtful accounts, inventory reserves, income taxes, stock-based compensation expenses, and product warranties, among others.  We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances.  Actual results could differ materially from those estimates.

 SIGNIFICANT ACCOUNTING POLICIES.  The Company’s significant accounting policies are disclosed in the Company’s Annual Report on Form 10-K for the year ended May 31, 2014. There have been no changes in our significant accounting policies during the nine months ended February 28, 2015.

2.  STOCK-BASED COMPENSATION

 Stock-based compensation expense consists of expenses for stock options and employee stock purchase plan, or ESPP, shares. Stock-based compensation cost is measured at each grant date, based on the fair value of the award using the Black-Scholes option valuation model, and is recognized as expense over the

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employee’s requisite service period. This model was developed for use in estimating the value of publicly traded options that have no vesting restrictions and are fully transferable. The Company’s employee stock options have characteristics significantly different from those of publicly traded options. All of the Company’s stock-based compensation is accounted for as an equity instrument. See Notes 10 and 11 in the Company’s Annual Report on Form 10-K for fiscal 2014 filed on August 28, 2014 for further information regarding the stock option plan and the ESPP.

 The following table summarizes compensation costs related to the Company’s stock-based compensation for the three and nine months ended February 28, 2015 and 2014 (in thousands):

	Three Months Ended				Nine Months Ended
	February 28,				February 28,
	2015		2014		2015		2014
Stock-based compensation in the form of employee stock options and ESPP shares, included in:
Cost of sales	$	17	$	10	$	47	$	33
Selling, general and administrative		148		184		508		471
Research and development		54		41		138		121
Total stock-based compensation	$	219	$	235	$	693	$	625

 As of February 28, 2015, stock-based compensation costs of $53,000 were capitalized as part of inventory.  There were no stock-based compensation costs capitalized as part of inventory at February 28, 2014.

 During the three months ended February 28, 2015 and 2014, the Company recorded stock-based compensation related to stock options of $183,000 and $205,000, respectively.  During the nine months ended February 28, 2015 and 2014, the Company recorded stock-based compensation related to stock options of $589,000 and $533,000, respectively.

 As of February 28, 2015, the total unrecognized stock-based compensation cost related to unvested stock-based awards under the Company’s 1996 Stock Option Plan and 2006 Equity Incentive Plan was approximately $1,540,000, which is net of estimated forfeitures of $4,000.  This cost will be amortized over the remaining service period of the underlying options.  The weighted average service period is approximately 2.7 years.

 During the three months ended February 28, 2015 and 2014, the Company recorded stock-based compensation related to the ESPP of $37,000 and $30,000, respectively.  During the nine months ended February 28, 2015 and 2014, the Company recorded stock-based compensation related to the ESPP of $104,000 and $92,000, respectively.

 As of February 28, 2015, the total compensation cost related to options to purchase the Company’s common stock under the ESPP but not yet recognized was approximately $111,000.  This cost will be amortized on a straight-line basis over a weighted average service period of approximately 1.2 years.

Valuation Assumptions

 Valuation and Amortization Method.  The Company estimates the fair value of stock options granted using the Black-Scholes option valuation model and a single option award approach.  The fair value under the single option approach is amortized on a straight-line basis over the requisite service periods of the awards, which is generally the vesting period.

 Expected Term.  The Company’s expected term represents the period that the Company’s stock-based awards are expected to be outstanding and was determined based on historical experience, giving consideration to the contractual terms of the stock-based awards, vesting schedules and expectations of future employee behavior as evidenced by changes to the terms of its stock-based awards.
 

 Expected Volatility.  Volatility is a measure of the amounts by which a financial variable such as stock price has fluctuated (historical volatility) or is expected to fluctuate (expected volatility) during a period.  The Company uses the historical volatility for the past four or five years, which matches the expected term of most of the option grants, to estimate expected volatility. Volatility for each of the ESPP’s four time periods of six months, twelve

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months, eighteen months, and twenty-four months is calculated separately and included in the overall stock-based compensation cost recorded.

 Dividends.  The Company has never paid any cash dividends on its common stock and does not anticipate paying any cash dividends in the foreseeable future.  Consequently, the Company uses an expected dividend yield of zero in the Black-Scholes option valuation model.

 Risk-Free Interest Rate.  The Company bases the risk-free interest rate used in the Black-Scholes option valuation model on the implied yield in effect at the time of option grant on U.S. Treasury zero-coupon issues with a remaining term equivalent to the expected term of the stock awards including the ESPP.

 Estimated Forfeitures.  When estimating forfeitures, the Company considers voluntary termination behavior as well as analysis of actual option forfeitures.

 Fair Value.  The fair value of the Company’s stock options granted to employees for the three months ended February 28, 2015, and the nine months ended February 28, 2015 and 2014 were estimated using the following weighted average assumptions in the Black-Scholes option valuation model:

	Three Months Ended			Nine Months Ended
	February 28,			February 28,
	2015			2015			2014
Option plan shares
Expected term (in years)		4			4			4
Volatility		0.90			0.91			0.95
Expected dividend	$	0.00		$	0.00		$	0.00
Risk-free interest rates		1.16	%		1.25	%		1.40	%
Estimated forfeiture rate		0.25	%		0.25	%		0.25	%
Weighted average grant date fair value	$	1.62		$	1.64		$	1.03

There were no options granted during the three months ended February 28, 2014.

The fair values of the ESPP purchase rights granted for the nine months ended February 28, 2015 and 2014 were estimated using the following weighted-average assumptions:

	Nine Months Ended
	February 28,
Employee stock purchase plan purchase rights	2015			2014
Expected term (in years)		0.5-2.0			0.5-2.0
Volatility		0.55-0.83			0.86-1.00
Expected dividend	$	0.00		$	0.00
Risk-free interest rates		0.04%-0.53	%		0.04%-0.33	%
Estimated forfeiture rate		0	%		0	%
Weighted average grant date fair value	$	1.47		$	1.34

 There were no ESPP purchase rights granted during the three months ended February 28, 2015 and 2014.  During the nine months ended February 28, 2015 and 2014, ESPP purchase rights of 170,000 and 163,000 shares, respectively, were granted.  There were no ESPP shares issued during the three months ended February 28, 2015 and 2014.  Total ESPP shares issued during the nine months ended February 28, 2015 and 2014 were 43,000 shares and 75,000 shares, respectively.  As of February 28, 2015 there were 311,000 ESPP shares available for issuance.

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 The following table summarizes the stock option transactions during the three and nine months ended February 28, 2015 (in thousands, except per share data):

				Outstanding Options
								Weighted
					Number			Average		Aggregate
	Available				of			Exercise		Intrinsic
	Shares				Shares			Price		Value
Balances, May 31, 2014		1,145				3,002		$	1.31	$	2,913
Options granted		(625	)			625		$	2.65
Options terminated		9				(9	)	$	1.27
Options exercised		--				(295	)	$	1.07
Balances, August 31, 2014		529				3,323		$	1.59	$	3,277
Additional shares reserved		860				--
Options granted		(140	)			140		$	2.06
Options terminated		10				(10	)	$	1.74
Options exercised		--				(35	)	$	1.62
Balances, November 30, 2014		1,259				3,418		$	1.61	$	3,657
Options granted		(35	)			35		$	2.54
Options terminated		24				(24	)	$	2.06
Options exercised		--				(27	)	$	1.56
Balances, February 28, 2015		1,248				3,402		$	1.61	$	3,534
Options fully vested and expected to vest at February 28, 2015						3,334		$	1.61	$	3,463
Options exercisable at February 28, 2015						2,098		$	1.43	$	2,551

 The options outstanding and exercisable at February 28, 2015 were in the following exercise price ranges (in thousands, except per share data):

	Options Outstanding						Options Exercisable
	at February 28, 2015						at February 28, 2015
Range of Exercise Prices	Number Outstanding Shares		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Number Exercisable Shares		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Aggregate Intrinsic Value
$0.59-$0.97		680		4.10	$	0.70		586		4.14	$	0.72
$1.09-$1.40		1,311		4.23	$	1.28		807		3.86	$	1.28
$1.73-$2.06		512		3.25	$	1.91		409		2.55	$	1.92
$2.15-$2.71		899		5.96	$	2.62		296		4.96	$	2.56
$0.59-$2.71		3,402		4.51	$	1.61		2,098		3.84	$	1.43	$	$2,551

 The total intrinsic value of options exercised during the three and nine months ended February 28, 2015 was $30,000 and $466,000, respectively.  The total intrinsic value of options exercised during the three and nine months ended February 28, 2014 was $162,000 and $315,000, respectively.  The weighted average remaining contractual life of the options exercisable and expected to be exercisable at February 28, 2015 was 4.51 years.

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3.  EARNINGS PER SHARE

 Basic earnings per share is determined using the weighted average number of common shares outstanding during the period. Diluted earnings per share is determined using the weighted average number of common shares and potential common shares (representing the dilutive effect of stock options, and employee stock purchase plan shares) outstanding during the period using the treasury stock method.

 The following table presents the computation of basic and diluted net (loss) income per share attributable to Aehr Test Systems common shareholders (in thousands, except per share data):

	Three Months Ended					Nine Months Ended
	February 28,					February 28,
	2015			2014		2015			2014
Numerator: Net (loss) income	$	(1,726	)	$	212	$	(4,747	)	$	183
Denominator for basic net (loss) income per share:
Weighted-average shares outstanding		12,677			10,982		11,931			10,807
Shares used in basic net (loss) income per share calculation		12,677			10,982		11,931			10,807
Effect of dilutive securities		--			1,295		--			776
Denominator for diluted net (loss) income per share		12,677			12,277		11,931			11,583
Basic net (loss) income per share	$	(0.14	)	$	0.02	$	(0.40	)	$	0.02
Diluted net (loss) income per share	$	(0.14	)	$	0.02	$	(0.40	)	$	0.02

 For the purpose of computing diluted earnings per share, weighted average potential common shares do not include stock options with an exercise price greater than the average fair value of the Company’s common stock for the period, as the effect would be anti-dilutive.  Stock options to purchase 3,402,000 shares of common stock and ESPP rights to purchase 175,000 ESPP shares were outstanding for the three months ending February 28, 2015, but were not included in the computation of diluted net loss per share, because the inclusion of such shares would be anti-dilutive.  Stock options to purchase 3,381,000 shares of common stock and ESPP rights to purchase 160,000 ESPP shares were outstanding for the nine months ending February 28, 2015, but were not included in the computation of diluted net loss per share, because the inclusion of such shares would be anti-dilutive.  In the three and nine months ended February 28, 2015, potential common shares have not been included in the calculation of diluted net loss per share as the effect would be anti-dilutive.  As such, the numerator and the denominator used in computing both basic and diluted net loss per share for these periods are the same.  Stock options to purchase 192,000 shares of common stock and ESPP rights to purchase 177,000 ESPP shares were outstanding for the three months ending February 28, 2014, but were not included in the computation of diluted net loss per share, because the inclusion of such shares would be anti-dilutive.  Stock options to purchase 370,000 shares of common stock and ESPP rights to purchase 177,000 ESPP shares were outstanding for the nine months ending February 28, 2014, but were not included in the computation of diluted net loss per share, because the inclusion of such shares would be anti-dilutive.

4.  FAIR VALUE OF FINANCIAL INSTRUMENTS

 The Company’s financial instruments are measured at fair value consistent with authoritative guidance. This authoritative guidance defines fair value,

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establishes a framework for using fair value to measure assets and liabilities, and disclosures required related to fair value measurements.

 The guidance establishes a fair value hierarchy based on inputs to valuation techniques that are used to measure fair value that are either observable or unobservable.  Observable inputs reflect assumptions market participants would use in pricing an asset or liability based on market data obtained from independent sources while unobservable inputs reflect a reporting entity’s pricing based upon their own market assumptions.  The fair value hierarchy consists of the following three levels:

Level 1 - instrument valuations are obtained from real-time quotes for transactions in active exchange markets involving identical assets.

Level 2 - instrument valuations are obtained from readily-available pricing sources for comparable instruments.

Level 3 - instrument valuations are obtained without observable market values and require a high level of judgment to determine the fair value.

 The following table summarizes the Company’s financial assets and liabilities measured at fair value on a recurring basis as of February 28, 2015 (in thousands):

	Balance as of
	February 28,
	2015		Level 1		Level 2		Level 3
Money market funds	$	500	$	500	$	--	$	--
Certificate of deposit		50		--		50		--
Assets	$	550	$	500	$	50	$	--
Liabilities	$	--	$	--	$	--	$	--

 The following table summarizes the Company’s financial assets and liabilities measured at fair value on a recurring basis as of May 31, 2014 (in thousands):

	Balance as of
	May 31, 2014		Level 1		Level 2		Level 3
Money market funds	$	477	$	477	$	--	$	--
Certificate of deposit		50		--		50		--
Assets	$	527	$	477	$	50	$	--
Liabilities	$	--	$	--	$	--	$	--

 There were no transfers between Level 1 and Level 2 fair value measurements during the three and nine months ended February 28, 2015 and 2014.

 Financial instruments include cash, cash equivalents, receivables, accounts payable and certain other accrued liabilities. The fair value of cash, cash equivalents, receivables, accounts payable and certain other accrued liabilities are valued at their carrying value, which approximates fair value due to their short maturities.

 The Company has, at times, invested in debt and equity of private companies, and may do so again in the future, as part of its business strategy.

5.  ACCOUNTS RECEIVABLE, NET

Accounts receivable represents customer trade receivables and is presented net of allowances for doubtful accounts of $7,000 at February 28, 2015 and $51,000 at May 31, 2014.  Accounts receivable are derived from the sale of

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products throughout the world to semiconductor manufacturers, semiconductor contract assemblers, electronics manufacturers and burn-in and test service companies.  The Company’s allowance for doubtful accounts is based upon historical experience and review of trade receivables by aging category to identify specific customers with known disputes or collection issues.  Uncollectible receivables are recorded as bad debt expense when all efforts to collect have been exhausted and recoveries are recognized when they are received.

6.  INVENTORIES

 Inventories are comprised of the following (in thousands):

	February 28,		May 31,
	2015		2014
Raw materials and sub-assemblies	$	3,627	$	3,348
Work in process		3,099		2,585
Finished goods		128		215
	$	6,854	$	6,148

7.  SEGMENT INFORMATION

 The Company operates in one reportable segment: the design, manufacture and marketing of advanced test and burn-in products to the semiconductor manufacturing industry.

 The following presents information about the Company’s operations in different geographic areas.  Net sales are based upon ship-to location (in thousands).

	United
	States		Asia		Europe		Total
Three months ended February 28, 2015:
Net sales	$	684	$	979	$	364	$	2,027
Property and equipment, net		455		35		12		502
Nine months ended February 28, 2015:
Net sales	$	3,054	$	3,845	$	1,301	$	8,200
Property and equipment, net		455		35		12		502
Three months ended February 28, 2014:
Net sales	$	2,863	$	1,039	$	1,710	$	5,612
Property and equipment, net		268		42		1		311
Nine months ended February 28, 2014:
Net sales	$	7,082	$	4,963	$	2,269	$	14,314
Property and equipment, net		268		42		1		311

 The Company’s Japanese and German subsidiaries primarily comprise the foreign operations.  Substantially all of the sales of the subsidiaries are made to unaffiliated Japanese or European customers.  Net sales from outside the United States include those of Aehr Test Systems Japan K.K. and Aehr Test Systems GmbH.

 Sales to the Company’s five largest customers accounted for approximately 82% and 87% of its net sales in the three and nine months ended February 28, 2015, respectively.  One customer accounted for approximately 60% of the

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Company’s net sales in the three months ended February 28, 2015.  Three customers accounted for approximately 47%, 12% and 10% of the Company’s net sales in the nine months ended February 28, 2015.  Sales to the Company’s five largest customers accounted for approximately 95% and 94% of its net sales in the three and nine months ended February 28, 2014, respectively.  Four customers accounted for approximately 36%, 28%, 19% and 11% of the Company’s net sales in the three months ended February 28, 2014.  Two customers accounted for approximately 46% and 33% of the Company’s net sales in the nine months ended February 28, 2014.  No other customers represented more than 10% of the Company’s net sales for either fiscal 2015 or fiscal 2014.

8.  PRODUCT WARRANTIES

 The Company provides for the estimated cost of product warranties at the time the products are shipped.  While the Company engages in extensive product quality programs and processes, including actively monitoring and evaluating the quality of its component suppliers, the Company’s warranty obligation is affected by product failure rates, material usage and service delivery costs incurred in correcting a product failure.  Should actual product failure rates, material usage or service delivery costs differ from the Company’s estimates, revisions to the estimated warranty liability would be required.

 The standard warranty period is ninety days for parts and service and one year for systems.

 Following is a summary of changes in the Company's liability for product warranties during the three and nine months ended February 28, 2015 and 2014 (in thousands):

	Three Months Ended						Nine Months Ended
	February 28,						February 28,
	2015			2014			2015			2014
Balance at the beginning of the period	$	149		$	208		$	223		$	222
Accruals for warranties issued during the period		47			34			145			188
Settlement made during the period (in cash or in kind)		(34	)		(46	)		(206	)		(214	)
Balance at the end of the period	$	162		$	196		$	162		$	196

 The accrued warranty balance is included in accrued expenses on the accompanying condensed consolidated balance sheets.

9.  INCOME TAXES

 Income taxes have been provided using the liability method whereby deferred tax assets and liabilities are determined based on differences between financial reporting and tax bases of assets and liabilities and net operating loss and tax credit carryforwards measured using the enacted tax rates and laws that will be in effect when the differences are expected to reverse or the carryforwards are utilized.  Valuation allowances are established when it is determined that it is more likely than not that such assets will not be realized.

 Since fiscal 2009, a full valuation allowance was established against all deferred tax assets as management determined that it is more likely than not that certain deferred tax assets will not be realized.
 

 The Company accounts for uncertain tax positions consistent with authoritative guidance.  The guidance prescribes a “more likely than not” recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a

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tax return.  The Company does not expect any material change in its unrecognized tax benefits over the next twelve months.  The Company recognizes interest and penalties related to unrecognized tax benefits as a component of income taxes.

 Although the Company files U.S. federal, various state, and foreign tax returns, the Company’s only major tax jurisdictions are the United States, California, Germany and Japan.  Tax years 1996 - 2014 remain subject to examination by the appropriate governmental agencies due to tax loss carryovers from those years.

10. CUSTOMER DEPOSITS AND DEFERRED REVENUE

 Customer deposits and deferred revenue (in thousands):

	February 28,		May 31,
	2015			2014
Customer deposits	$	546		$	871
Deferred revenue		1,166			187
	$	1,712		$	1,058

11. LINE OF CREDIT

On August 25, 2011, the Company entered into a working capital credit facility agreement allowing the Company to borrow up to $1.5 million based upon qualified accounts receivable, and export-related inventory. On May 29, 2012, the credit agreement was amended to increase the borrowing limit to $2.0 million.  On September 11, 2012, the Company entered into the second amendment to the Loan and Security Agreement to increase the borrowing limit under the credit facility from $2.0 million to $2.5 million.  On August 21, 2013, the Company entered into the Third Amendment to Loan and Security Agreement to extend the term of the agreement to August 22, 2014.  Under the terms of the amendment to the line of credit, the lender will also have a security interest in the Company’s intellectual property.  On August 22, 2014, the Company entered into the Fourth Amendment to Loan and Security Agreement to extend the term of the agreement to August 21, 2015.  The line of credit is collateralized by all of the Company’s assets.  Each account receivable financed by the lender will bear an annual interest rate or finance charge equal to the greater of the lender's prime rate less 0.5%, or 3.50%, if the Company meets certain borrowing base requirements. If the Company does not meet the borrowing base requirements, each account receivable financed by the lender will bear an annual interest rate or finance charge equal to the greater of the lender's prime rate plus 0.75%, or 4.75%.  The applicable interest is calculated based on the full amount of the account receivable and export-related inventory provided as collateral for the actual amounts borrowed.  Depending on the composition of the collateral items, whether or not the Company meets certain borrowing base requirements and the relative cash position of the Company, the equivalent annual interest rate applied to the actual loan balances may vary from 3.89% to 8.94%, assuming that the bank’s prime rate is 4.00% or less.  At February 28, 2015, the weighted average interest rate on the outstanding loan balance was 4.188%.  The average loan balance for the three and nine months ending February 28, 2015 was $397,000 and $649,000, respectively.  At February 28, 2015, the Company had drawn $115,000 against the credit facility.  The balance available to borrow under the line at February 28, 2015 was $78,000.  The Company was in compliance with all covenants at February 28, 2015.

 On April 10, 2015 the Company entered into a Convertible Note Purchase and Credit Facility Agreement with QVT Fund LP and Quintessence Fund L.P., resulting in the termination of the working capital credit agreement.  See Note 14, “SUBSEQUENT EVENT,” for a description of the Convertible Note Purchase and Credit Facility Agreement.

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12. SALES OF EQUITY SECURITIES

 During the second quarter of fiscal 2015, the Company sold 1,065,029 shares of its common stock in a private placement transaction with certain directors and officers of the Company and other accredited investors.  The private placement resulted in net proceeds to the Company of $2,574,000 and closed on November 26, 2014.

13. RECENT ACCOUNTING PRONOUNCEMENTS

 In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU")  No. 2014-09, Revenue from contracts with customers, a new standard on revenue recognition.  The new standard will supersede existing revenue recognition guidance and apply to all entities that enter into contracts to provide goods or services to customers.  The guidance also addresses the measurement and recognition of gains and losses on the sale of certain non-financial assets, such as real estate, and property and equipment.  The new standard will become effective for us beginning with the first quarter of fiscal 2017 and can be adopted either retrospectively to each reporting period presented or as a cumulative effect adjustment as of the date of adoption.  We are currently evaluating the impact of adopting this new guidance on our consolidated financial statements.

In August 2014, the FASB issued ASU No. 2014-15, Presentation of Going Concern.  This standard requires management to evaluate the conditions or events that raise substantial doubt about the entity’s ability to continue as a going concern and whether or not it is probable that the entity will be unable to meet its obligations as they become due within one year after the date the financial statements are issued.  The new standard will apply to all entities and will be effective for us in the fiscal year 2017, with early adoption permitted. The adoption of this update is not expected to have a material effect on the Company’s consolidated financial statements or disclosures.

14. SUBSEQUENT EVENT

 On April 10, 2015, Aehr Test Systems the “Company”) entered into a Convertible Note Purchase and Credit Facility Agreement (the “Purchase Agreement”) with QVT Fund LP and Quintessence Fund L.P. (the “Purchasers”) providing for (a) the Company’s sale to the Purchasers of $4,110,000 in aggregate principal amount of 9.0% Convertible Secured Notes due 2017 (the “Convertible Notes”) and (b) a secured revolving loan facility (the “Credit Facility”) in an aggregate principal amount of up to $2,000,000.  This agreement resulted in the termination of theworking capital credit facility agreement discussed in Note 11, “LINE OF CREDIT.”

 The Convertible Notes bear interest at an annual rate of 9.0% and will mature on April 10, 2017 unless repurchased or converted prior to that date.  Interest is payable quarterly on March 1, June 1, September 1 and December 1 of each year.  The Company may not redeem the Convertible Notes prior to maturity.

 The initial conversion price for the Convertible Notes is $2.65 per share of the Company’s common stock and is subject to adjustment upon the occurrence of certain specified events (as adjusted, the “Conversion Price”).   Holders may convert all or any part of the principal amount of their Convertible Notes in integrals of $10,000 at any time prior to the maturity date.  Upon conversion, the Company will deliver shares of its common stock to the holder of Convertible Notes electing such conversion.

 Advances under the Credit Facility will bear interest at an annual rate of 5%.  Each advance under the Credit Facility and any accrued and unpaid interest thereon must be repaid within 90 days from the date on which such advance is made.  Unless paid in full at maturity, amounts owing under the credit facility may be converted by the holder into Convertible Notes.  Advances under the Credit Facility may be prepaid without any prepayment premium or penalty and may be reborrowed (unless converted into Convertible Notes).

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 The Company’s obligations under the Purchase Agreement, Convertible Notes and the Credit Facility are secured by substantially all of the assets of the Company.

Item 2.  MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
 

 The following discussion of the financial condition and results of operations of the Company should be read in conjunction with the unaudited condensed consolidated financial statements and the related notes that appear elsewhere in this report and with our Annual Report on Form 10-K for the fiscal year ended May 31, 2014 and the consolidated financial statements and notes thereto.
 

 In addition to historical information, this report contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended.  All statements in this report, including those made by the management of Aehr Test Systems, other than statements of historical fact, are forward-looking statements.  These statements typically may be identified by the use of forward-looking words or phrases such as "believe," "expect," "intend," "anticipate," "should," "planned," "estimated," and "potential," among others and include, but are not limited to, statements concerning our expectations regarding our operations, business, strategies, prospects, revenues, expenses, costs and resources.  These forward-looking statements are subject to certain risks and uncertainties that could cause our actual results to differ materially from those anticipated results or other expectations reflected in the forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, those discussed in this report and other factors beyond our control, and in particular, the risks discussed in “Part II, Item 1A. Risk Factors” and those discussed in other documents we file with the SEC. All forward-looking statements included in this document are based on our current expectations, and we undertake no obligation to revise or publicly release the results of any revision to these forward-looking statements.  Given these risks and uncertainties, readers are cautioned not to place undue reliance on such forward-looking statements.

OVERVIEW

 The Company was founded in 1977 to develop and manufacture burn-in and test equipment for the semiconductor industry.  Since its inception, the Company has sold more than 2,500 systems to semiconductor manufacturers, semiconductor contract assemblers and burn-in and test service companies worldwide.  The Company’s principal products currently are the Advanced Burn-in and Test System, or ABTS, the FOX full wafer contact parallel test and burn-in system, the MAX burn-in system, WaferPak contactors, the DiePak carrier and test fixtures.

 The Company’s net sales consist primarily of sales of systems, WaferPak contactors, test fixtures, die carriers, upgrades and spare parts, revenues from service contracts, and engineering development charges.  The Company's selling arrangements may include contractual customer acceptance provisions, which are mostly deemed perfunctory or inconsequential, and installation of the product occurs after shipment and transfer of title.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES
 

 The Company’s discussion and analysis of its financial condition and results of operations are based upon the Company’s condensed consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America.  The preparation of these condensed consolidated financial statements requires the Company to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities.  On an ongoing basis, the Company evaluates its estimates, including those related to customer programs and incentives, product returns, bad debts, inventories, income taxes, financing operations, warranty obligations, and long-term service contracts.  The Company’s estimates are derived from historical experience and on various other assumptions that are believed to be reasonable under the circumstances.  Those results form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources.  Actual results may differ from these estimates under different assumptions or conditions.  For a discussion of the critical accounting policies, see “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations – Critical Accounting Policies and Estimates” in the Company’s Annual Report on Form 10-K for the fiscal year ended May 31, 2014.

 There have been no material changes to our critical accounting policies and estimates during the nine months ended February 28, 2015 compared to those discussed in our Annual Report on Form 10-K for the fiscal year ended May 31, 2014.

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RESULTS OF OPERATIONS

 The following table sets forth items in the Company’s unaudited condensed consolidated statements of operations as a percentage of net sales for the periods indicated.

	Three Months Ended						Nine Months Ended
	February 28,						February 28,
	2015			2014			2015			2014
Net sales		100.0	%		100.0	%		100.0	%		100.0	%
Cost of sales		58.0			48.9			61.5			48.9
Gross profit		42.0			51.1			38.5			51.1
Operating expenses:
Selling, general and administrative		78.1			30.3			60.3			32.4
Research and development		50.9			16.2			37.7			16.7
Total operating expenses		129.0			46.5			98.0			49.1
(Loss) income from operations		(87.0	)		4.6			(59.5	)		2.0
Interest expense		(0.3	)		(0.1	)		(0.4	)		(0.1	)
Other income (expense), net		5.4			(0.3	)		2.4			(0.6	)
(Loss) income before income tax (expense) benefit		(81.9	)		4.2			(57.5	)		1.3
Income tax (expense) benefit		(3.3	)		(0.4	)		(0.4	)		--
Net (loss) income		(85.2	)		3.8			(57.9	)		1.3
Less:  Net income attributable to the noncontrolling interest		--			--			--			--
Net (loss) income attributable to Aehr Test Systems common shareholders		(85.2	)%		3.8	%		(57.9	)%		1.3	%

THREE MONTHS ENDED FEBRUARY 28, 2015 COMPARED TO THREE MONTHS ENDED FEBRUARY 28, 2014

 NET SALES.  Net sales decreased to $2.0 million for the three months ended February 28, 2015 from $5.6 million for the three months ended February 28, 2014, a decrease of 63.9%.  The decrease in net sales for the three months ended February 28, 2015 was primarily due to decreases in both net sales of the Company’s Test During Burn-in (TDBI) products and wafer-level products.  Net sales of the TDBI products for the three months ended February 28, 2015 were $1.5 million, and decreased approximately $1.8 million from the three months ended February 28, 2014.  Net sales of the Company’s wafer-level products for the three months ended February 28, 2015 were $0.4 million, and decreased approximately $1.9 million from the three months ended February 28, 2014.

 GROSS PROFIT.  Gross profit consists of net sales less cost of sales.  Cost of sales consists primarily of the cost of materials, assembly and test costs, and overhead from operations.  Gross profit decreased to $852,000 for the three months ended February 28, 2015 from $2.9 million for the three months ended February 28, 2014, a decrease of 70.3%.  Gross profit margin decreased to 42.0% for the three months ended February 28, 2015 from 51.1% for the three months ended February 28, 2014, primarily as a result of manufacturing inefficiencies due to a lower level of net sales.

 SELLING, GENERAL AND ADMINISTRATIVE.  Selling, general and administrative, or SG&A, expenses consist primarily of salaries and related costs of employees, commission expenses to independent sales representatives, product promotion and other professional services. SG&A expenses decreased to $1.6 million for the three months ended February 28, 2015 from $1.7 million for the three months

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ended February 28, 2014, a decrease of 6.9%.  The decreases in SG&A expenses were primarily due to decreases of $43,000 in sales commission to outside sales representatives and $21,000 in bad debt expense.

 RESEARCH AND DEVELOPMENT.  Research and development, or R&D, expenses consist primarily of salaries and related costs of employees engaged in ongoing research, design and development activities, costs of engineering materials and supplies, and professional consulting expenses. R&D expenses increased to $1.0 million for the three months ended February 28, 2015 from $0.9 million for the three months ended February 28, 2014, an increase of 13.7%.  Lower R&D expenses in the three months ended February 28, 2014 were primarily due to the transfer of $156,000 of R&D expenditures, related to non-recurring engineering milestones, into cost of goods sold and prepaid expenses.

 INTEREST EXPENSE.  Interest expense of $7,000 was flat for the three months ended February 28, 2015 and 2014.

 OTHER INCOME (EXPENSE), NET.  Other income, net was $110,000 for the three months ended February 28, 2015, compared with other expense, net of $21,000 for the three months ended February 28, 2014.  The change between other income and other expense was due primarily to gains or losses realized in connection with the fluctuation in the value of the dollar compared to foreign currencies during the referenced periods.

 INCOME TAX (EXPENSE) BENEFIT.  Income tax expenses were $66,000 and $22,000 for the three months ended February 28, 2015 and 2014, respectively.

NINE MONTHS ENDED FEBRUARY 28, 2015 COMPARED TO NINE MONTHS ENDED FEBRUARY 28, 2014

 NET SALES.  Net sales decreased to $8.2 million for the nine months ended February 28, 2015 from $14.3 million for the nine months ended February 28, 2014, a decrease of 42.7%.  The decrease in net sales for the nine months ended February 28, 2015 resulted primarily from decreases in both net sales of the Company’s Test During Burn-in (TDBI) products and wafer-level products.  Net sales of the TDBI products for the nine months ended February 28, 2015 were $5.0 million, and decreased approximately $3.2 million from the nine months ended February 28, 2014.  Net sales of the Company’s wafer-level products for the nine months ended February 28, 2015 were $2.8 million, and decreased approximately $3.1 million from the nine months ended February 28, 2014.  The decrease in net sales for the nine months ended February 28, 2015 reflects the drop in our base ABTS packaged part burn-in business and softness in our FOX wafer level business as customers absorbed capacity that they put in place over the last year.

 GROSS PROFIT.  Gross profit decreased to $3.2 million for the nine months ended February 28, 2015 from $7.3 million for the nine months ended February 28, 2014, a decrease of 56.8%.  Gross profit margin decreased to 38.5% for the nine months ended February 28, 2015 from 51.1% for the nine months ended February 28, 2014.  The higher gross profit margin for the nine months ended February 28, 2014 was primarily the result of the sale of systems containing previously reserved inventory.

 SELLING, GENERAL AND ADMINISTRATIVE.  SG&A expenses increased to $4.9 million for the nine months ended February 28, 2015 from $4.6 million for the nine months ended February 28, 2014, an increase of 6.6%.  The increase in SG&A expenses was primarily due to an increase of $0.3 million in employment related expenses.

 RESEARCH AND DEVELOPMENT.  R&D expenses increased to $3.1 million for the nine months ended February 28, 2015 from $2.4 million for the nine months ended February 28, 2014, an increase of 29.7%.  Lower R&D expenses in the nine months ended February 28, 2014 were primarily due to the transfer of $0.6 million R&D expenditures, related to non-recurring engineering milestones, into cost of goods sold and prepaid expenses.

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 INTEREST EXPENSE.  Interest expense increased to $29,000 for the nine months ended February 28, 2015 from $21,000 for the nine months ended February 28, 2014 as a result of higher average borrowings on the line of credit.

 OTHER INCOME (EXPENSE), NET.  Other income, net was $201,000 for the nine months ended February 28, 2015, compared with other expense, net of $85,000 for the nine months ended February 28, 2014.  The change between other income and other expense was due primarily to gains or losses realized in connection with the fluctuation in the value of the dollar compared to foreign currencies during the referenced periods.

 INCOME TAX (EXPENSE) BENEFIT.  Income tax expense was $36,000 for the nine months ended February 28, 2015, compared with income tax benefit of $5,000 for the nine months ended February 28, 2014.  The income tax benefit for the nine months ended February 28, 2014 was due to the reversal of tax liabilities previously established under Financial Accounting Standards Board Interpretation No. 48, which were no longer required.

LIQUIDITY AND CAPITAL RESOURCES

 Net cash used in operating activities was $1.6 million and $0.2 million for the nine months ended February 28, 2015 and 2014, respectively.  For the nine months ended February 28, 2015, net cash used in operating activities was primarily the result of the net loss of $4.7 million as adjusted to exclude the non-cash charge of stock-based compensation expense of $0.7 million, as well as a decrease in accounts receivable of $2.6 million.  The decrease in accounts receivable was primarily due to a decrease in sales.  For the nine months ended February 28, 2014, net cash used in operating activities was primarily due to the increase in accounts payable of $1.1 million and the exclusion of the effect of non-cash charges of stock-based compensation expense of $0.6 million, partially offset by an increase in accounts receivable of $0.7 million, inventories of $0.5 million and a decrease in customer deposits and deferred revenue of $0.7 million.  The increases in accounts payable and inventories were due primarily to inventory purchases to support future shipments.  The increase in accounts receivable was primarily due to an increase in sales.  The decrease in customer deposits and deferred revenue was primarily due to the shipments of customer orders with down payments.

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 Net cash used in investing activities was $106,000 and $104,000 for the nine months ended February 28, 2015 and 2014, respectively. Net cash used in investing activities was due to the purchases of property and equipment, offset by proceeds from the sales of property and equipment.
 

Financing activities provided cash of $2.5 million for the nine months ended February 28, 2015 and used cash of $0.2 million for the nine months ended February 28, 2014.  Net cash provided by financing activities during the nine months ended February 28, 2015 was due primarily to the sale of $2.6 million of our common stock in a private placement transaction with certain directors and officers of the Company and other accredited investors that closed on November 26, 2014 and $0.6 million in proceeds from the issuance of common stock under employee plans, offset by net repayments under the line of credit of $0.7 million. Net cash used by financing activities during the nine months ended February 28, 2014 was due to net repayments under the line of credit of $0.7 million, offset by $0.5 million in proceeds from issuance of common stock under employee plans.

 The effect of exchange rates used cash of $254,000 and $12,000 for the nine months ended February 28, 2015 and 2014, respectively, due to the fluctuation in the value of the dollar compared to foreign currencies.

 As of February 28, 2015, the Company had working capital of $5.3 million.  Working capital consists of cash and cash equivalents, accounts receivable, inventory and other current assets, less current liabilities.

 The Company leases its manufacturing and office space under operating leases.  The Company entered into a non-cancelable operating lease agreement for its United States manufacturing and office facilities, which was renewed in November, 2014 and expires in June, 2018.  Under the lease agreement, the Company is responsible for payments of utilities, taxes and insurance.

 From time to time, the Company evaluates potential acquisitions of businesses, products or technologies that complement the Company’s business.  If consummated, any such transactions may use a portion of the Company’s working capital or require the issuance of equity.  The Company has no present understandings, commitments or agreements with respect to any material acquisitions.

 On April 10, 2015, the Company entered into a Convertible Note Purchase and Credit Facility Agreement providing for the Company’s sale of convertible secured notes, and a secured revolving loan facility.  See note 14, “SUBSEQUENT EVENT”, for a description of the Agreement.  This Agreement resulted in the termination of the working capital credit facility agreement discussed in Note 11, “LINE OF CREDIT.”

 The Company anticipates that the existing cash balance together with cash flows from operations, as well as funds available through the Convertible Note Purchase and Credit Facility Agreement will be adequate to meet its working capital and capital equipment requirements through calendar 2015. 

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After calendar 2015, depending on its rate of growth and profitability, the Company may require additional equity or debt financing to meet its working capital requirements or capital equipment needs.  There can be no assurance that additional financing will be available when required, or if available, that such financing can be obtained on terms satisfactory to the Company.

OFF-BALANCE SHEET ARRANGEMENTS

 The Company has not entered into any off-balance sheet financing arrangements and has not established any variable interest entities.

OVERVIEW OF CONTRACTUAL OBLIGATIONS

 On August 25, 2011, the Company entered into a working capital credit facility agreement allowing the Company to borrow up to $1.5 million based upon qualified U.S. based and foreign customer receivables, and export-related inventory.  On May 29, 2012 the credit agreement was amended to increase the borrowing limit to $2.0 million.  On September 11, 2012, the credit agreement was amended to increase the borrowing limit to $2.5 million.  On August 21, 2013 the credit agreement was further amended to extend the term of the agreement to August 22, 2014.  On August 22, 2014 the credit agreement was further amended to extend the term of the agreement to August 21, 2015.  As of February 28, 2015, the Company had drawn $0.1 million against the credit facility.  Refer to Note 11, “LINE OF CREDIT,” for further discussion of the credit agreement.

 On April 10, 2015, the Company entered into a Convertible Note Purchase and Credit Facility Agreement providing for the Company’s sale of convertible secured notes, and a secured revolving loan facility.  See note 14, “SUBSEQUENT EVENT”, for a description of the Agreement.  This Agreement resulted in the termination of the working capital credit facility agreement.

 In addition to the Convertible Note Purchase and Credit Facility Agreemen the only material changes in the composition, magnitude or other key characteristics of the Company's contractual obligations or other commitments as disclosed in the Company's Annual Report on Form 10-K for the year ended May 31, 2014 was the extension of the lease signed on November 7, 2014.

 Minimum annual rentals payments under non-cancellable operating leases in each of the next five fiscal years and thereafter are as follows (in thousands):

Years Ending May 31,
2015	$	623
2016		468
2017		466
2018		469
2019		39
Thereafter		--
Total	$	2,065

Item 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISKS

 The Company had no holdings of derivative financial or commodity instruments at February 28, 2015 or May 31, 2014.

 The Company is exposed to financial market risks, including changes in interest rates and foreign currency exchange rates.  The Company only invests its short-term excess cash in government-backed securities with maturities of 18 months or less. The Company does not use any financial instruments for speculative or trading purposes. Fluctuations in interest rates would not have a material effect on the Company’s financial position, results of operations or cash flows.

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 A majority of the Company’s revenue and capital spending is transacted in U.S. Dollars.  The Company, however, enters into transactions in other currencies, primarily Euros and Japanese Yen.  Since the price is determined at the time a purchase order is accepted, the Company is exposed to the risks of fluctuations in the foreign currency-U.S. Dollar exchange rates during the lengthy period from purchase order to ultimate payment.  This exchange rate risk is partially offset to the extent that the Company’s subsidiaries incur expenses payable in their local currency.  To date, the Company has not invested in instruments designed to hedge currency risks.  In addition, the Company’s subsidiaries typically carry debt or other obligations due to the Company that may be denominated in either their local currency or U.S. Dollars.  Since the Company’s subsidiaries’ financial statements are based in their local currency and the Company’s condensed consolidated financial statements are based in U.S. Dollars, the Company’s subsidiaries and the Company recognize foreign exchange gains or losses in any period in which the value of the local currency rises or falls in relation to the U.S. Dollar.  A 10% decrease in the value of the subsidiaries’local currency as compared with the U.S. Dollar would not be expected to result in a significant change to the Company’s net income or loss. There have been no material changes in our risk exposure since the end of the last fiscal year, nor are any material changes to our risk exposure anticipated.

Item 4.  CONTROLS AND PROCEDURES

 EVALUATION OF DISCLOSURE CONTROLS AND PROCEDURES.  Our management evaluated, with the participation of our Chief Executive Officer and our Chief Financial Officer, the effectiveness of our disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, as of the end of the period covered by this Quarterly Report on Form 10-Q.  Based on this evaluation, our Chief Executive Officer and our Chief Financial Officer have concluded that our disclosure controls and procedures are effective to ensure that information we are required to disclose in reports that we file or submit under the Securities and Exchange Act of 1934, as amended, is recorded, processed, summarized and reported within the time periods specified in the SEC rules and forms, and that such information is accumulated and communicated to management as appropriate to allow for timely decisions regarding required disclosure.

 CHANGES IN INTERNAL CONTROLS OVER FINANCIAL REPORTING.  There was no change in our internal control over financial reporting, as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act, that occurred during the period covered by this Quarterly Report on Form 10-Q that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

INHERENT LIMITATIONS OF INTERNAL CONTROLS.  Our management, including our Chief Executive Officer and Chief Financial Officer, does not expect that our disclosure controls and procedures or our internal controls will prevent all error and all fraud.  A control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met.  Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within us have been detected.  These inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can occur because of a simple error or mistake.  Additionally, controls can be circumvented by the individual acts of some persons, by collusion of two or more people, or by management override of the control.  The design of any system of controls also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving our stated goals under all potential future conditions.  Over time, controls may become inadequate because of changes in conditions, or the degree of compliance with

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the policies or procedures may deteriorate.  Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected.

PART II - OTHER INFORMATION

Item 1.  LEGAL PROCEEDINGS

  None.

Item 1A. RISK FACTORS

 You should carefully consider the risks described below. These risks are not the only risks that we may face. Additional risks and uncertainties that we are unaware of, or that we currently deem immaterial, also may become important factors that affect us. If any of the following risks occur, our business, financial condition or results of operations could be materially and adversely affected which could cause our actual operating results to differ materially from those indicated or suggested by forward-looking statements made in this Quarterly Report on Form 10-Q and in other documents we filed with the U.S. Securities and Exchange Commission, including without limitation our most recently filed Annual Report on Form 10-K or presented elsewhere by management from time to time.

If we are not able to reduce our operating expenses sufficiently during periods of weak revenue, or if we utilize significant amounts of cash to support operating losses, we may erode our cash resources and may not have sufficient cash to operate our business.

 In prior years, in the face of a downturn in our business and a decline in our net sales, we implemented a variety of cost controls and restructured our operations with the goal of reducing our operating costs to position ourselves to more effectively meet the needs of the then weak market for test and burn-in equipment.  While we took significant steps in fiscal 2009 to minimize our expense levels and to increase the likelihood that we would have sufficient cash to support operations during the downturn, from fiscal 2009 through fiscal 2013 we experienced operating losses.  While we believe our existing cash balance, together with cash flows from operations, as well as funds available through our Convertible Note Purchase and Credit Facility Agreement, see note 14, “SUBSEQUENT EVENT”, for a description of the Agreement, will be adequate to meet our working capital and capital equipment requirements through calendar 2015, we cannot determine with certainty that, if needed, we will be able to raise additional funding through either equity or debt financing under these circumstances or on what terms such financing would be available.

We rely on increasing market acceptance for our FOX system, and we may not be successful in attracting new customers or maintaining our existing customers.

 A principal element of our business strategy is to increase our presence in the test equipment market through system sales in our FOX wafer-level test and burn-in product family.  The FOX system is designed to simultaneously functionally test and burn-in all of the die on a wafer on a single touchdown.  The market for the FOX systems is in the early stages of development.  Market acceptance of the FOX system is subject to a number of risks.  Before a customer will incorporate the FOX system into a production line, lengthy qualification and correlation tests must be performed.  We anticipate that potential customers may be reluctant to change their procedures in order to transfer burn-in and test functions to the FOX system.  Initial purchases are expected to be limited to systems used for these qualifications and for engineering studies.  Market acceptance of the FOX system also may be affected by a reluctance of IC manufacturers to rely on relatively small suppliers such as us.  As is common with new complex products incorporating leading-edge technologies, we may encounter reliability, design and manufacturing issues as we begin volume production and initial installations of FOX systems at customer sites.  The

25

failure of the FOX system to achieve increased market acceptance would have a material adverse effect on our future operating results, long-term prospects and our stock price.

We generate a large portion of our sales from a small number of customers.  If we were to lose one or more of our large customers, operating results could suffer dramatically.

 The semiconductor manufacturing industry is highly concentrated, with a relatively small number of large semiconductor manufacturers and contract assemblers accounting for a substantial portion of the purchases of semiconductor equipment.  Sales to the Company’s five largest customers accounted for approximately 90%, 81%, and 83% of its net sales in fiscal 2014, 2013, and 2012, respectively.  During fiscal 2014, Texas Instruments, Spansion and Micronas GMBH accounted for approximately 40%, 30% and 12%, respectively, of the Company’s net sales.  During fiscal 2013, Texas Instruments and Spansion accounted for approximately 32% and 26%, respectively, of the Company’s net sales.  During fiscal 2012, Spansion and Texas Instruments accounted for approximately 40% and 22%, respectively, of the Company’s net sales.  No other customers accounted for more than 10% of the Company’s net sales for any of these periods.

 We expect that sales of our products to a limited number of customers will continue to account for a high percentage of net sales for the foreseeable future.  In addition, sales to particular customers may fluctuate significantly from quarter to quarter.  The loss of, reduction or delay in an order, or orders from a significant customer, or a delay in collecting or failure to collect accounts receivable from a significant customer could adversely affect our business, financial condition and operating results.

We rely on continued market acceptance of our ABTS system and our ability to complete certain enhancements.

Continued market acceptance of the ABTS family, first introduced in fiscal 2008, is subject to a number of risks.  It is important that we achieve customer acceptance, customer satisfaction and increased market acceptance as we add new features and enhancements to the ABTS product.  To date, the Company has shipped ABTS systems to customers worldwide for use in both reliability and production applications.  The Company has recognized a weakening of ABTS product sales over the past few quarters as customers absorbed capacity that they put in place over the last year. The failure of the ABTS family to maintain revenues at or above current levels would have a material adverse effect on our future operating results.

A substantial portion of our net sales is generated by relatively small volume, high value transactions.

 We derive a substantial portion of our net sales from the sale of a relatively small number of systems which typically range in purchase price from approximately $200,000 to over $1 million per system.  As a result, the loss or deferral of a limited number of system sales could have a material adverse effect on our net sales and operating results in a particular period.  All customer purchase orders are subject to cancellation or rescheduling by the customer with limited penalties, and, therefore, backlog at any particular date is not necessarily indicative of actual sales for any succeeding period.  From time to time, cancellations and rescheduling of customer orders have occurred, and delays by our suppliers in providing components or subassemblies to us have caused delays in our shipments of our own products.  There can be no assurance that we will not be materially adversely affected by future cancellations or rescheduling.  For non-standard products where we have not effectively demonstrated the ability to meet specifications in the customer environment, we defer revenue until we have met such customer specifications.  Any delay in meeting customer specifications could have a material adverse effect on our operating results.  A substantial portion of net sales typically are realized near the end of each quarter.  A delay or reduction in shipments near the end of a particular quarter, due, for example, to unanticipated shipment rescheduling, cancellations or deferrals by customers, customer credit issues, unexpected manufacturing difficulties experienced by us or delays in deliveries by

26

suppliers, could cause net sales in a particular quarter to fall significantly below our expectations.

Periodic economic and semiconductor industry downturns could negatively affect our business, results of operations and financial condition.

 Periodic global economic and semiconductor industry downturns have negatively affected and could continue to negatively affect our business, results of operations, and financial condition.  Financial turmoil in the banking system and financial markets has resulted, and may result in the future, in a tightening of the credit markets, disruption in the financial markets and global economy downturn.  These events may contribute to significant slowdowns in the industry in which we operate.   Difficulties in obtaining capital and deteriorating market conditions can pose the risk that some of our customers may not be able to obtain necessary financing on reasonable terms, which could result in lower sales for the Company.  Customers with liquidity issues may lead to additional bad debt expense for the Company.

 Turmoil in the international financial markets has resulted, and may result in the future, in dramatic currency devaluations, stock market declines, restriction of available credit and general financial weakness.  In addition, flash, DRAM and other memory device prices have historically declined, and will likely do so again in the future.  These developments may affect us in several ways.  We believe that many international semiconductor manufacturers limited their capital spending in calendar 2012 and 2013, and that the uncertainty of the semiconductor market may cause some manufacturers in the future to further delay capital spending plans.  Economic conditions may also affect the ability of our customers to meet their payment obligations, resulting in cancellations or deferrals of existing orders and limiting additional orders.  In addition, some governments have subsidized portions of fabrication facility construction, and financial turmoil may reduce these governments’ willingness to continue such subsidies.  Such developments could have a material adverse effect on our business, financial condition and results of operations.

 The recent economic conditions and uncertainty about future economic conditions make it challenging for us to forecast our operating results, make business decisions, and identify the risks that may affect our business, financial condition and results of operations.  If such conditions recur, and we are not able to timely and appropriately adapt to changes resulting from the difficult macroeconomic environment, our business, financial condition or results of operations may be materially and adversely affected.

The semiconductor equipment industry is intensely competitive.  In each of the markets it serves, the Company faces competition from established competitors and potential new entrants, many of which have greater financial, engineering, manufacturing and marketing resources than the Company.

 The Company’s FOX full wafer contact systems face competition from larger systems manufacturers that have significant technological know-how and manufacturing capability.  The Company’s ABTS TDBI systems have faced and are expected to continue to face increasingly severe competition, especially from several regional, low-cost manufacturers and from systems manufacturers that offer higher power dissipation per device under test.  Some users of such systems, such as independent test labs, build their own burn-in systems, while others, particularly large IC manufacturers in Asia, acquire burn-in systems from captive or affiliated suppliers.  The Company’s WaferPak products are facing and are expected to face increasing competition.  Several companies have developed or are developing full-wafer and single-touchdown probe cards.  The Company’s test fixture products face numerous regional competitors.  There are limited barriers to entry into the burn-in board, or BIB, market, and as a result, many companies design and manufacture BIBs, including BIBs for use with the Company’s ABTS systems.  The Company expects that its DiePak products will face significant competition.  The Company believes that several companies have developed or are developing products which are intended to enable test and burn-in of bare die.

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 The Company expects its competitors to continue to improve the performance of their current products and to introduce new products with improved price and performance characteristics.  New product introductions by the Company’s competitors or by new market entrants could cause a decline in sales or loss of market acceptance of the Company’s products.  The Company has observed price competition in the systems market, particularly with respect to its less advanced products.  Increased competitive pressure could also lead to intensified price-based competition, resulting in lower prices which could adversely affect the Company’s operating margins and results.  The Company believes that to remain competitive it must invest significant financial resources in new product development and expand its customer service and support worldwide.  There can be no assurance that the Company will be able to compete successfully in the future.

We may experience increased costs associated with new product introductions.

 As is common with new complex products incorporating leading-edge technologies, we have encountered reliability, design and manufacturing issues as we began volume production and initial installations of certain products at customer sites.  Some of these issues in the past have been related to components and subsystems supplied to us by third parties who have in some cases limited the ability of us to address such issues promptly.  This process in the past required and in the future is likely to require us to incur un-reimbursed engineering expenses and to experience larger than anticipated warranty claims which could result in product returns.  In the early stages of product development there can be no assurance that we will discover any reliability, design and manufacturing issues or, that if such issues arise, that they can be resolved to the customers’ satisfaction or that the resolution of such problems will not cause us to incur significant development costs or warranty expenses or to lose significant sales opportunities.

We sell our products and services worldwide, and our business is subject to risks inherent in conducting business activities in geographic regions outside of the United States.

 Approximately 56%, 55%, and 38% of our net sales for fiscal 2014, 2013 and 2012, respectively, were attributable to sales to customers for delivery outside of the United States.  We operate a sales, service and limited manufacturing organization in Germany and a sales and service organization in Japan and Taiwan.  We expect that sales of products for delivery outside of the United States will continue to represent a substantial portion of our future net sales.  Our future performance will depend, in significant part, upon our ability to continue to compete in foreign markets which in turn will depend, in part, upon a continuation of current trade relations between the United States and foreign countries in which semiconductor manufacturers or assemblers have operations.  A change toward more protectionist trade legislation in either the United States or such foreign countries, such as a change in the current tariff structures, export compliance or other trade policies, could adversely affect our ability to sell our products in foreign markets.  In addition, we are subject to other risks associated with doing business internationally, including longer receivable collection periods and greater difficulty in accounts receivable collection, the burden of complying with a variety of foreign laws, difficulty in staffing and managing global operations, risks of civil disturbance or other events which may limit or disrupt markets, international exchange restrictions, changing political conditions and monetary policies of foreign governments.

 Approximately 96%, 3% and 1% of our net sales for fiscal 2014 were denominated in U.S. Dollars, Euros and Japanese Yen, respectively.  Although the percentages of net sales denominated in Euros and Japanese Yen were small in fiscal 2014, they have been larger in the past and could become significant again in the future.  A large percentage of net sales to European customers are denominated in U.S. Dollars, but sales to many Japanese customers are denominated in Japanese Yen.  Because a substantial portion of our net sales is from sales of products for delivery outside the United States, an increase in the value of the U.S. Dollar relative to foreign currencies would increase the cost of our products compared to products sold by local companies in such

28

markets.  In addition, since the price is determined at the time a purchase order is accepted, we are exposed to the risks of fluctuations in the U.S. Dollar exchange rate during the lengthy period from the date a purchase order is received until payment is made.  This exchange rate risk is partially offset to the extent our foreign operations incur expenses in the local currency.  To date, we have not invested in instruments designed to hedge currency risks.  Our operating results could be adversely affected by fluctuations in the value of the U.S. Dollar relative to other currencies.

Our industry is subject to rapid technological change and our ability to remain competitive depends on our ability to introduce new products in a timely manner.

 The semiconductor equipment industry is subject to rapid technological change and new product introductions and enhancements.  Our ability to remain competitive depends in part upon our ability to develop new products and to introduce them at competitive prices and on a timely and cost-effective basis.  Our success in developing new and enhanced products depends upon a variety of factors, including product selection, timely and efficient completion of product design, timely and efficient implementation of manufacturing and assembly processes, product performance in the field and effective sales and marketing.  Because new product development commitments must be made well in advance of sales, new product decisions must anticipate both future demand and the technology that will be available to supply that demand.  Furthermore, introductions of new and complex products typically involve a period in which design, engineering and reliability issues are identified and addressed by our suppliers and by us.  There can be no assurance that we will be successful in selecting, developing, manufacturing and marketing new products that satisfy market demand.  Any such failure would materially and adversely affect our business, financial condition and results of operations.

 Because of the complexity of our products, significant delays can occur between a product’s introduction and the commencement of the volume production of such product.  We have experienced, from time to time, significant delays in the introduction of, and technical and manufacturing difficulties with, certain of our products and may experience delays and technical and manufacturing difficulties in future introductions or volume production of our new products.  Our inability to complete new product development, or to manufacture and ship products in time to meet customer requirements would materially adversely affect our business, financial condition and results of operations.

Our dependence on subcontractors and sole source suppliers may prevent us from delivering our products on a timely basis and expose us to intellectual property infringement.

 We rely on subcontractors to manufacture many of the components or subassemblies used in our products.  Our FOX and ABTS systems, WaferPak contactors and DiePak carriers contain several components, including environmental chambers, power supplies, high-density interconnects, wafer contactors, signal distribution substrates and certain ICs that are currently supplied by only one or a limited number of suppliers.  Our reliance on subcontractors and single source suppliers involves a number of significant risks, including the loss of control over the manufacturing process, the potential absence of adequate capacity and reduced control over delivery schedules, manufacturing yields, quality and costs.  In the event that any significant subcontractor or single source supplier is unable or unwilling to continue to manufacture subassemblies, components or parts in required volumes, we would have to identify and qualify acceptable replacements.  The process of qualifying subcontractors and suppliers could be lengthy, and no assurance can be given that any additional sources would be available to us on a timely basis.  Any delay, interruption or termination of a supplier relationship could adversely affect our ability to deliver products, which would harm our operating results.

 Our suppliers manufacture components, tooling, and provide engineering services.  During this process, our suppliers are allowed access to intellectual property of the Company.  While the Company maintains patents to protect from

29

intellectual property infringement, there can be no assurance that technological information gained in the manufacture of our products will not be used to develop a new product, improve processes or techniques which compete against our products.  Litigation may be necessary to enforce or determine the validity and scope of our proprietary rights, and there can be no assurance that our intellectual property rights, if challenged, will be upheld as valid.

The Company’s business operations could be negatively impacted by earthquakes or other natural disasters.

 Natural disasters may impact our ability to manufacture products in the event our facility is damaged, or if operations are disrupted at a major supplier.  The demand for our products may be negatively affected if a natural disaster impacts one or more of our significant customers. These events may seriously damage our ability to conduct business.

Semiconductor business cycles are not easily predicted and there is always the risk of cancellations and rescheduling which could have a material adverse effect on our operating results.

 Our operating results depend primarily upon the capital expenditures of semiconductor manufacturers, semiconductor contract assemblers and burn-in and test service companies worldwide, which in turn depend on the current and anticipated market demand for ICs.  The semiconductor equipment manufacturing industry has historically been subject to a relatively high rate of purchase order cancellation by customers as compared to other high technology industry sectors.  Manufacturing companies who are the customers of semiconductor equipment companies frequently revise, postpone and cancel capital facility expansion plans.  In such cases, semiconductor equipment companies may experience a significant rate of cancellations or rescheduling of purchase orders.  There can be no assurance that we will not be materially adversely affected by future cancellations or rescheduling of purchase orders.

Future changes in semiconductor technologies may make our products obsolete.

 Future improvements in semiconductor design and manufacturing technology may reduce or eliminate the need for our products.  For example, improvements in semiconductor process technology and improvements in conventional test systems, such as reduced cost or increased throughput, may significantly reduce or eliminate the market for one or more of our products.  If we are not able to improve our products or develop new products or technologies quickly enough to maintain a competitive position in our markets, our business may decline.

The Company may not meet the listing requirements of the NASDAQ markets which could cause our stock to be delisted.

 Pursuant to the listing requirements of NASDAQ, if a company’s stock price is below $1.00 per share for 30 consecutive trading days , NASDAQ will notify the company that it is no longer in compliance with the NASDAQ Bid Price Rule listing qualification.  If a company is not in compliance with the Bid Price Rule, the company will have 180 calendar days to regain compliance.  The company may regain compliance with the Bid Price Rule if the bid price of the common stock closes at $1.00 per share or more for a minimum of 10 consecutive business days at any time during the 180 day cure period.  On December 26, 2012, the Company received notice from NASDAQ that it was no longer in compliance with the Bid Price Rule.  The Company subsequently regained compliance on April 3, 2013.

 There can be no assurance that the Company will remain in compliance with the Bid Price Rule, and that it will maintain compliance with the other listing requirements of the NASDAQ Capital Market, or that it will not be delisted.

Our stock price may fluctuate.

 The price of our common stock has fluctuated in the past and may fluctuate significantly in the future.  We believe that factors such as announcements of developments related to our business, fluctuations in our operating results, general conditions in the semiconductor and semiconductor equipment industries

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as well as the worldwide economy, announcement of technological innovations, new systems or product enhancements by us or our competitors, fluctuations in the level of cooperative development funding, acquisitions, changes in governmental regulations, developments in patents or other intellectual property rights and changes in our relationships with customers and suppliers could cause the price of our common stock to fluctuate substantially.  In addition, in recent years the stock market in general, and the market for small capitalization and high technology stocks in particular, have experienced extreme price fluctuations which have often been unrelated to the operating performance of the affected companies.  Such fluctuations could adversely affect the market price of our common stock.

We depend on our key personnel and our success depends on our ability to attract and retain talented employees.

 Our success depends to a significant extent upon the continued service of Gayn Erickson, our President and Chief Executive Officer, as well as other executive officers and key employees.  We do not maintain key person life insurance for our benefit on any of our personnel, and none of our employees are subject to a non-competition agreement with us.  The loss of the services of any of our executive officers or a group of key employees could have a material adverse effect on our business, financial condition and operating results.  Our future success will depend in significant part upon our ability to attract and retain highly skilled technical, management, sales and marketing personnel.  There is a limited number of personnel with the requisite skills to serve in these positions, and it has become increasingly difficult for us to hire such personnel.  Competition for such personnel in the semiconductor equipment industry is intense, and there can be no assurance that we will be successful in attracting or retaining such personnel.  Changes in management could disrupt our operations and adversely affect our operating results.

We may be subject to litigation relating to intellectual property infringement which would be time-consuming, expensive and a distraction from our business.

 If we do not adequately protect our intellectual property, competitors may be able to use our proprietary information to erode our competitive advantage, which could harm our business and operating results.  Litigation may be necessary to enforce or determine the validity and scope of our proprietary rights, and there can be no assurance that our intellectual property rights, if challenged, will be upheld as valid.  Such litigation could result in substantial costs and diversion of resources and could have a material adverse effect on our operating results, regardless of the outcome of the litigation.  In addition, there can be no assurance that any of the patents issued to us will not be challenged, invalidated or circumvented or that the rights granted thereunder will provide competitive advantages to us.

 There are no pending claims against us regarding infringement of any patents or other intellectual property rights of others.  However, in the future we may receive communications from third parties asserting intellectual property claims against us.  Such claims could include assertions that our products infringe, or may infringe, the proprietary rights of third parties, requests for indemnification against such infringement or suggestions that we may be interested in acquiring a license from such third parties.  There can be no assurance that any such claim will not result in litigation, which could involve significant expense to us, and, if we are required or deem it appropriate to obtain a license relating to one or more products or technologies, there can be no assurance that we would be able to do so on commercially reasonable terms, or at all.

While we believe we have complied with all applicable environmental laws, our failure to do so could adversely affect our business as a result of having to pay substantial amounts in damages or fees.

 Federal, state and local regulations impose various controls on the use, storage, discharge, handling, emission, generation, manufacture and disposal of toxic and other hazardous substances used in our operations.  We believe that our activities conform in all material respects to current environmental and land use regulations applicable to our operations and our current facilities, and that we have obtained environmental permits necessary to conduct our business.  Nevertheless, failure to comply with current or future regulations could result in substantial fines, suspension of production, alteration of our manufacturing processes or cessation of operations.  Such regulations could require us to acquire expensive remediation equipment or to incur substantial expenses to comply with environmental regulations.  Any failure to control the use, disposal or storage of or adequately restrict the discharge of, hazardous or toxic substances could subject us to significant liabilities.

While we believe we currently have adequate internal control over financial reporting, we are required to assess our internal control over financial reporting on an annual basis and any future adverse results from such assessment could result in a loss of investor confidence in our financial reports and have an adverse effect on our stock.

 Pursuant to Section 404 of the Sarbanes-Oxley Act of 2002, we must include in our Annual Report on Form 10-K a report of management on the effectiveness of our internal control over financial reporting.  If we fail to maintain effective internal control over financial reporting, or management does not timely assess the adequacy of such internal control, we could be subject to regulatory sanctions and the investing public’s perception of the Company may decline.

Item 2.  UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

 As previously reported on our Current Report on Form 8-K filed November 28, 2014, during the second quarter of fiscal 2015, the Company sold 1,065,029 shares of its common stock in a private placement transaction with certain directors and officers of the Company and other accredited investors.  The private placement resulted in net proceeds to the Company of $2,574,000 and closed on November 26, 2014.

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Item 3.  DEFAULTS UPON SENIOR SECURITIES

 None.

Item 4.  MINE SAFETY DISCLOSURES

 Not Applicable

Item 5.  OTHER INFORMATION

    None.

Item 6.  EXHIBITS

 The Exhibits listed on the accompanying "Index to Exhibits" are filed as part of, or incorporated by reference into, this report.

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SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	Aehr Test Systems
Date: April 14, 2015	By:	/s/ GAYN ERICKSON
		Gayn Erickson
		President and Chief Executive Officer

Date: April 14, 2015	By:	/s/  GARY L. LARSON
		Gary L. Larson
		Vice President of Finance and Chief Financial Officer

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AEHR TEST SYSTEMS

INDEX TO EXHIBITS

Exhibit No.	Description
10.1(1)	Second Amendment dated November 7, 2014 by and between Aehr Test Systems and CWCA Scott Creek 28, L.L.C. for facilities located at 400 Kato Terrace, Fremont, California.
10.2(2)	Common Stock Purchase Agreement by and among the Company and the Investors (defined therein), dated as of November 24, 2014.
31.1	Certification of Chief Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a) promulgated under the Securities Exchange Act of 1934, as amended, as adopted pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a) promulgated under the Securities Exchange Act of 1934, as amended, as adopted pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002.
32.1	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.*
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

(1) Incorporated by reference to the same-numbered exhibit previously filed with the Company's Current Report on Form 8-K filed November 12, 2014.

(2) Incorporated by reference to the exhibit 10.1 previously filed with the Company's Current Report on Form 8-K filed November 26, 2014.

*This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filings under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date hereof and irrespective of any general incorporation language in any filings.

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EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 302(a) OF THE

SARBANES-OXLEY ACT

I, Gayn Erickson, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Aehr Test Systems;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: April 14, 2015	By:	/s/  GAYN ERICKSON
		Gayn Erickson
		President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302(a) OF THE

SARBANES-OXLEY ACT

I, Gary L. Larson, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Aehr Test Systems;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: April 14, 2015	By:	/s/ GARY L. LARSON
		Gary L. Larson
		Vice President of Finance and Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Gayn Erickson, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Aehr Test Systems on Form 10-Q for the period ended February 28, 2015 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Aehr Test Systems.

Date: April 14, 2015	By:	/s/ GAYN ERICKSON
		Gayn Erickson
		President and Chief Executive Officer

I, Gary L. Larson, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Aehr Test Systems on Form 10-Q for the period ended February 28, 2015 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Aehr Test Systems.

Date: April 14, 2015	By:	/s/ GARY L. LARSON
		Gary L. Larson
		Vice President of Finance and Chief Financial Officer

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6. INVENTORIES (Details) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2015	May 31, 2014
Inventory, Net [Abstract]
Raw materials and sub-assemblies	$ 3,627	$ 3,348
Work-in-process	3,099	2,585
Finished goods	128	215
Inventory	$ 6,854	$ 6,148	[1]

[1] The condensed consolidated balance sheet at May 31, 2014 has been derived from the audited consolidated financial statements at that date.

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14. SUBSEQUENT EVENT (Details Narrative) (USD $) In Thousands, except Per Share data, unless otherwise specified	1 Months Ended
	Apr. 10, 2015	Feb. 28, 2015
Secured revolving loan facility		$ 2,500
Subsequent event
Convertible Secured Notes	4,110
Secured revolving loan facility	$ 2,000
Date for latest conversion	Apr. 10, 2017
Conversion price	$ 2.65
Interest rate for convertible debt	9.00%
Conversion feature	$10,000
Rate description	5 %

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2. STOCK-BASED COMPENSATION - Options outstanding and exercisable (Details 4) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Feb. 28, 2015
Range Exercise Prices Options Outstanding Minimum	$ 0.59
Range Exercise Prices Options Outstanding Maximum	$ 2.71
Number of Options Outstanding, Ending (in thousands)	3,402
Weighted Average Remaining Contractual Life (Years) Options Outstanding	4 years 6 months 3 days
Weighted Average Exercise Price Outstanding, Ending	$ 1.61
Options exercisable shares, ending (in thousands)	2,098
Weighted Average Remaining Contractual Life (Years) Options Exercisable	3 years 10 months 2 days
Weighted Average Exercise Price for Options exercisable, ending	$ 1.43
Aggregate Intrinsic Value for Options exercisable, ending	$ 2,551
Options Price Range A
Range Exercise Prices Options Outstanding Minimum	$ 0.59
Range Exercise Prices Options Outstanding Maximum	$ 0.97
Number of Options Outstanding, Ending (in thousands)	680
Weighted Average Remaining Contractual Life (Years) Options Outstanding	4 years 1 month 6 days
Weighted Average Exercise Price Outstanding, Ending	$ 0.70
Options exercisable shares, ending (in thousands)	586
Weighted Average Remaining Contractual Life (Years) Options Exercisable	4 years 1 month 20 days
Weighted Average Exercise Price for Options exercisable, ending	$ 0.72
Options Price Range B
Range Exercise Prices Options Outstanding Minimum	$ 1.09
Range Exercise Prices Options Outstanding Maximum	$ 1.40
Number of Options Outstanding, Ending (in thousands)	1,311
Weighted Average Remaining Contractual Life (Years) Options Outstanding	4 years 2 months 23 days
Weighted Average Exercise Price Outstanding, Ending	$ 1.28
Options exercisable shares, ending (in thousands)	807
Weighted Average Remaining Contractual Life (Years) Options Exercisable	3 years 10 months 10 days
Weighted Average Exercise Price for Options exercisable, ending	$ 1.28
Options Price Range C
Range Exercise Prices Options Outstanding Minimum	$ 1.73
Range Exercise Prices Options Outstanding Maximum	$ 2.06
Number of Options Outstanding, Ending (in thousands)	512
Weighted Average Remaining Contractual Life (Years) Options Outstanding	3 years 3 months
Weighted Average Exercise Price Outstanding, Ending	$ 1.91
Options exercisable shares, ending (in thousands)	409
Weighted Average Remaining Contractual Life (Years) Options Exercisable	2 years 6 months 18 days
Weighted Average Exercise Price for Options exercisable, ending	$ 1.92
Options Price Range D
Range Exercise Prices Options Outstanding Minimum	$ 2.15
Range Exercise Prices Options Outstanding Maximum	$ 2.71
Number of Options Outstanding, Ending (in thousands)	899
Weighted Average Remaining Contractual Life (Years) Options Outstanding	5 years 11 months 16 days
Weighted Average Exercise Price Outstanding, Ending	$ 2.62
Options exercisable shares, ending (in thousands)	296
Weighted Average Remaining Contractual Life (Years) Options Exercisable	4 years 11 months 16 days
Weighted Average Exercise Price for Options exercisable, ending	$ 2.56

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6. INVENTORIES (Tables)

9 Months Ended

Feb. 28, 2015

Inventory Disclosure [Abstract]

Inventories

 Inventories are comprised of the following (in thousands):

	February 28,		May 31,
	2015		2014
Raw materials and sub-assemblies	$	3,627	$	3,348
Work in process		3,099		2,585
Finished goods		128		215
	$	6,854	$	6,148

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8. PRODUCT WARRANTIES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance at the beginning of the period	$ 149	$ 208	$ 223	$ 222
Accruals for warranties issued during the period	47	34	145	188
Settlement made during the period (in cash or in kind)	(34)	(46)	(206)	(214)
Balance at the end of the period	$ 162	$ 196	$ 162	$ 196

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4. FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2015	May 31, 2014
Money market funds	$ 500	$ 477
Certificate of deposit	50	50
Assets	550	527
Liabilities	0	0
Level 1
Money market funds	500	477
Certificate of deposit	0	0
Assets	500	477
Liabilities	0	0
Level 2
Money market funds	0	0
Certificate of deposit	50	50
Assets	50	50
Liabilities	0	0
Level 3
Money market funds	0	0
Certificate of deposit	0	0
Assets	0	0
Liabilities	$ 0	$ 0

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3. EARNINGS PER SHARE

9 Months Ended

Feb. 28, 2015

Earnings Per Share [Abstract]

3. EARNINGS PER SHARE

3.  EARNINGS PER SHARE

 Basic earnings per share is determined using the weighted average number of common shares outstanding during the period. Diluted earnings per share is determined using the weighted average number of common shares and potential common shares (representing the dilutive effect of stock options, and employee stock purchase plan shares) outstanding during the period using the treasury stock method.

 The following table presents the computation of basic and diluted net (loss) income per share attributable to Aehr Test Systems common shareholders (in thousands, except per share data):

	Three Months Ended					Nine Months Ended
	February 28,					February 28,
	2015			2014		2015			2014
Numerator: Net (loss) income	$	(1,726	)	$	212	$	(4,747	)	$	183
Denominator for basic net (loss) income per share:
Weighted-average shares outstanding		12,677			10,982		11,931			10,807
Shares used in basic net (loss) income per share calculation		12,677			10,982		11,931			10,807
Effect of dilutive securities		--			1,295		--			776
Denominator for diluted net (loss) income per share		12,677			12,277		11,931			11,583
Basic net (loss) income per share	$	(0.14	)	$	0.02	$	(0.40	)	$	0.02
Diluted net (loss) income per share	$	(0.14	)	$	0.02	$	(0.40	)	$	0.02

 For the purpose of computing diluted earnings per share, weighted average potential common shares do not include stock options with an exercise price greater than the average fair value of the Company’s common stock for the period, as the effect would be anti-dilutive.  Stock options to purchase 3,402,000 shares of common stock and ESPP rights to purchase 175,000 ESPP shares were outstanding for the three months ending February 28, 2015, but were not included in the computation of diluted net loss per share, because the inclusion of such shares would be anti-dilutive.  Stock options to purchase 3,381,000 shares of common stock and ESPP rights to purchase 160,000 ESPP shares were outstanding for the nine months ending February 28, 2015, but were not included in the computation of diluted net loss per share, because the inclusion of such shares would be anti-dilutive.  In the three and nine months ended February 28, 2015, potential common shares have not been included in the calculation of diluted net loss per share as the effect would be anti-dilutive.  As such, the numerator and the denominator used in computing both basic and diluted net loss per share for these periods are the same.  Stock options to purchase 192,000 shares of common stock and ESPP rights to purchase 177,000 ESPP shares were outstanding for the three months ending February 28, 2014, but were not included in the computation of diluted net loss per share, because the inclusion of such shares would be anti-dilutive.  Stock options to purchase 370,000 shares of common stock and ESPP rights to purchase 177,000 ESPP shares were outstanding for the nine months ending February 28, 2014, but were not included in the computation of diluted net loss per share, because the inclusion of such shares would be anti-dilutive.

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10. CUSTOMER DEPOSITS AND DEFERRED REVENUE (Details) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2015	May 31, 2014
Customer Deposits And Deferred Revenue Details
Customer deposits	$ 546	$ 871
Deferred revenue	1,166	187
Total	$ 1,712	$ 1,058

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2. STOCK-BASED COMPENSATION - Compensation costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Stock-based compensation in the form of employee stock options and ESPP shares included in:
Total stock-based compensation	$ 219	$ 235	$ 693	$ 625
Cost of Sales
Stock-based compensation in the form of employee stock options and ESPP shares included in:
Total stock-based compensation	17	10	47	33
Selling, General and Administrative
Stock-based compensation in the form of employee stock options and ESPP shares included in:
Total stock-based compensation	148	184	508	471
Research and Development
Stock-based compensation in the form of employee stock options and ESPP shares included in:
Total stock-based compensation	$ 54	$ 41	$ 138	$ 121

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10. CUSTOMER DEPOSITS AND DEFERRED REVENUE (Tables)

9 Months Ended

Feb. 28, 2015

Customer Deposits And Deferred Revenue Tables

Customer deposits and deferred revenue

 Customer deposits and deferred revenue (in thousands):

	February 28,		May 31,
	2015			2014
Customer deposits	$	546		$	871
Deferred revenue		1,166			187
	$	1,712		$	1,058

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11. LINE OF CREDIT (Details Narrative) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Feb. 28, 2015	Feb. 28, 2015	May 31, 2014
Line of Credit Facility [Abstract]
Line of credit, maximum borrowing capacity	$ 2,500	$ 2,500
Line of credit facility, amount borrowed	115	115	777	[1]
Balance available to borrow under the line of credit	78	78
Weighted average interest rate	4.188%	4.188%
Average loan balance	$ 397	$ 649
Compliance with covenants		The Company was in compliance with all covenants at February 28, 2015.

[1] The condensed consolidated balance sheet at May 31, 2014 has been derived from the audited consolidated financial statements at that date.

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2. STOCK-BASED COMPENSATION - Options (Details 1) (Stock Options, USD $)	3 Months Ended	9 Months Ended
	Feb. 28, 2015	Feb. 28, 2015	Feb. 28, 2014
Stock Options
Expected term (in years)	4 years	4 years	4 years
Volatility	90.00%	91.00%	95.00%
Expected dividend	$ 0	$ 0	$ 0
Risk-free interest rates	1.16%	1.25%	1.40%
Estimated forfeiture rate	0.25%	0.25%	0.25%
Weighted average grant date fair value	$ 1.62	$ 1.64	$ 1.03

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2. STOCK-BASED COMPENSATION - Fair values of the ESPP shares (Details 2) (Employee Stock Purchase Plan, USD $)	9 Months Ended
	Feb. 28, 2015	Feb. 28, 2014
Volatility, Minimum	55.00%	86.00%
Volatility, Maximum	83.00%	100.00%
Expected dividend	$ 0	$ 0
Risk-free interest rates, Minimum	0.04%	0.04%
Risk-free interest rates, Maximum	0.53%	0.33%
Estimated forfeiture rate	0.00%	0.00%
Weighted average grant date fair value	$ 1.47	$ 1.34
Minimum
Expected term (in years)	6 months	6 months
Maximum
Expected term (in years)	2 years	2 years

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2. STOCK-BASED COMPENSATION

9 Months Ended

Feb. 28, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

2. STOCK-BASED COMPENSATION

2.  STOCK-BASED COMPENSATION

 Stock-based compensation expense consists of expenses for stock options and employee stock purchase plan, or ESPP, shares. Stock-based compensation cost is measured at each grant date, based on the fair value of the award using the Black-Scholes option valuation model, and is recognized as expense over the employee’s requisite service period.  This model was developed for use in estimating the value of publicly traded options that have no vesting restrictions and are fully transferable.  The Company’s employee stock options have characteristics significantly different from those of publicly traded options.  All of the Company’s stock-based compensation is accounted for as an equity instrument.  See Notes 10 and 11 in the Company’s Annual Report on Form 10-K for fiscal 2014 filed on August 28, 2014 for further information regarding the stock option plan and the ESPP.

 The following table summarizes compensation costs related to the Company’s stock-based compensation for the three and nine months ended February 28, 2015 and 2014 (in thousands):

	Three Months Ended				Nine Months Ended
	February 28,				February 28,
	2015		2014		2015		2014
Stock-based compensation in the form of employee stock options and ESPP shares, included in:
Cost of sales	$	17	$	10	$	47	$	33
Selling, general and administrative		148		184		508		471
Research and development		54		41		138		121
Total stock-based compensation	$	219	$	235	$	693	$	625

 As of February 28, 2015, stock-based compensation costs of $53,000 were capitalized as part of inventory.  There were no stock-based compensation costs capitalized as part of inventory at February 28, 2014.

 During the three months ended February 28, 2015 and 2014, the Company recorded stock-based compensation related to stock options of $183,000 and $205,000, respectively.  During the nine months ended February 28, 2015 and 2014, the Company recorded stock-based compensation related to stock options of $589,000 and $533,000, respectively.

 As of February 28, 2015, the total unrecognized stock-based compensation cost related to unvested stock-based awards under the Company’s 1996 Stock Option Plan and 2006 Equity Incentive Plan was approximately $1,540,000, which is net of estimated forfeitures of $4,000.  This cost will be amortized over the remaining service period of the underlying options.  The weighted average service period is approximately 2.7 years.

 During the three months ended February 28, 2015 and 2014, the Company recorded stock-based compensation related to the ESPP of $37,000 and $30,000, respectively.  During the nine months ended February 28, 2015 and 2014, the Company recorded stock-based compensation related to the ESPP of $104,000 and $92,000, respectively.

 As of February 28, 2015, the total compensation cost related to options to purchase the Company’s common stock under the ESPP but not yet recognized was approximately $111,000.  This cost will be amortized on a straight-line basis over a weighted average service period of approximately 1.2 years.

Valuation Assumptions

 Valuation and Amortization Method.  The Company estimates the fair value of stock options granted using the Black-Scholes option valuation model and a single option award approach.  The fair value under the single option approach is amortized on a straight-line basis over the requisite service periods of the awards, which is generally the vesting period.

 Expected Term.  The Company’s expected term represents the period that the Company’s stock-based awards are expected to be outstanding and was determined based on historical experience, giving consideration to the contractual terms of the stock-based awards, vesting schedules and expectations of future employee behavior as evidenced by changes to the terms of its stock-based awards. 
 

 Expected Volatility.  Volatility is a measure of the amounts by which a financial variable such as stock price has fluctuated (historical volatility) or is expected to fluctuate (expected volatility) during a period.  The Company uses the historical volatility for the past four or five years, which matches the expected term of most of the option grants, to estimate expected volatility. Volatility for each of the ESPP’s four time periods of six months, twelve months, eighteen months, and twenty-four months is calculated separately and included in the overall stock-based compensation cost recorded.

 Dividends.  The Company has never paid any cash dividends on its common stock and does not anticipate paying any cash dividends in the foreseeable future.  Consequently, the Company uses an expected dividend yield of zero in the Black-Scholes option valuation model.

 Risk-Free Interest Rate.  The Company bases the risk-free interest rate used in the Black-Scholes option valuation model on the implied yield in effect at the time of option grant on U.S. Treasury zero-coupon issues with a remaining term equivalent to the expected term of the stock awards including the ESPP.

 Estimated Forfeitures.  When estimating forfeitures, the Company considers voluntary termination behavior as well as analysis of actual option forfeitures.

 Fair Value.  The fair value of the Company’s stock options granted to employees for the three months ended February 28, 2015, and the nine months ended February 28, 2015 and 2014 were estimated using the following weighted average assumptions in the Black-Scholes option valuation model:

	Three Months Ended			Nine Months Ended
	February 28,			February 28,
	2015			2015			2014
Option plan shares
Expected term (in years)		4			4			4
Volatility		0.90			0.91			0.95
Expected dividend	$	0.00		$	0.00		$	0.00
Risk-free interest rates		1.16	%		1.25	%		1.40	%
Estimated forfeiture rate		0.25	%		0.25	%		0.25	%
Weighted average grant date fair value	$	1.62		$	1.64		$	1.03

There were no options granted during the three months ended February 28, 2014.

The fair values of the ESPP purchase rights granted for the nine months ended February 28, 2015 and 2014 were estimated using the following weighted-average assumptions:

	Nine Months Ended
	February 28,
Employee stock purchase plan purchase rights	2015			2014
Expected term (in years)		0.5-2.0			0.5-2.0
Volatility		0.55-0.83			0.86-1.00
Expected dividend	$	0.00		$	0.00
Risk-free interest rates		0.04%-0.53	%		0.04%-0.33	%
Estimated forfeiture rate		0	%		0	%
Weighted average grant date fair value	$	1.47		$	1.34

 There were no ESPP purchase rights granted during the three months ended February 28, 2015 and 2014.  During the nine months ended February 28, 2015 and 2014, ESPP purchase rights of 170,000 and 163,000 shares, respectively, were granted.  There were no ESPP shares issued during the three months ended February 28, 2015 and 2014.  Total ESPP shares issued during the nine months ended February 28, 2015 and 2014 were 43,000 shares and 75,000 shares, respectively.  As of February 28, 2015 there were 311,000 ESPP shares available for issuance.

 The following table summarizes the stock option transactions during the three and nine months ended February 28, 2015 (in thousands, except per share data):

				Outstanding Options
								Weighted
					Number			Average		Aggregate
	Available				of			Exercise		Intrinsic
	Shares				Shares			Price		Value
Balances, May 31, 2014		1,145				3,002		$	1.31	$	2,913
Options granted		(625	)			625		$	2.65
Options terminated		9				(9	)	$	1.27
Options exercised		--				(295	)	$	1.07
Balances, August 31, 2014		529				3,323		$	1.59	$	3,277
Additional shares reserved		860				--
Options granted		(140	)			140		$	2.06
Options terminated		10				(10	)	$	1.74
Options exercised		--				(35	)	$	1.62
Balances, November 30, 2014		1,259				3,418		$	1.61	$	3,657
Options granted		(35	)			35		$	2.54
Options terminated		24				(24	)	$	2.06
Options exercised		--				(27	)	$	1.56
Balances, February 28, 2015		1,248				3,402		$	1.61	$	3,534
Options fully vested and expected to vest at February 28, 2015						3,334		$	1.61	$	3,463
Options exercisable at February 28, 2015						2,098		$	1.43	$	2,551

 The options outstanding and exercisable at February 28, 2015 were in the following exercise price ranges (in thousands, except per share data):

	Options Outstanding						Options Exercisable
	at February 28, 2015						at February 28, 2015
Range of Exercise Prices	Number Outstanding Shares		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Number Exercisable Shares		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Aggregate Intrinsic Value
$0.59-$0.97		680		4.10	$	0.70		586		4.14	$	0.72
$1.09-$1.40		1,311		4.23	$	1.28		807		3.86	$	1.28
$1.73-$2.06		512		3.25	$	1.91		409		2.55	$	1.92
$2.15-$2.71		899		5.96	$	2.62		296		4.96	$	2.56
$0.59-$2.71		3,402		4.51	$	1.61		2,098		3.84	$	1.43	$	$2,551

 The total intrinsic value of options exercised during the three and nine months ended February 28, 2015 was $30,000 and $466,000, respectively.  The total intrinsic value of options exercised during the three and nine months ended February 28, 2014 was $162,000 and $315,000, respectively.  The weighted average remaining contractual life of the options exercisable and expected to be exercisable at February 28, 2015 was 4.51 years.

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2. STOCK-BASED COMPENSATION - Option Activity (Details 3) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Feb. 28, 2015	Nov. 30, 2014	Aug. 31, 2014
Number of Options Outstanding, Ending (in thousands)	3,402
Weighted Average Exercise Price Outstanding, Ending	$ 1.61
Options exercisable shares, ending (in thousands)	2,098
Weighted Average Exercise Price for Options exercisable, ending	$ 1.43
Aggregate Intrinsic Value for Options exercisable, ending	$ 2,551
Stock Options
Available Shares, Beginning (in thousands)	1,259	529	1,145
Options granted (in thousands)	(35)	(140)	(625)
Options terminated (in thousands)	24	10	9
Additional shares reserved (in thousands)		860
Available Shares, Ending (in thousands)	1,248	1,259	529
Options Outstanding, Beginning (in thousands)	3,418	3,323	3,002
Options Granted (in thousands)	35	140	625
Options terminated (in thousands)	(24)	(10)	(9)
Options exercised (in thousands)	(27)	(35)	(295)
Number of Options Outstanding, Ending (in thousands)	3,402	3,418	3,323
Weighted Average Exercise Price Outstanding, Beginning	$ 1.61	$ 1.59	$ 1.31
Weighted Average Exercise Price Granted	$ 2.54	$ 2.06	$ 2.65
Weighted Average Exercise Price Terminated	$ 2.06	$ 1.74	$ 1.27
Weighted Average Exercise Price Exercised	$ 1.56	$ 1.62	$ 1.07
Weighted Average Exercise Price Outstanding, Ending	$ 1.61	$ 1.61	$ 1.59
Aggregate Intrinsic Value, beginning balance	3,657	3,277	2,913
Aggregate Intrinsic Value, ending balance	3,534	3,657	3,277
Options fully vested and expected to vest, ending (in thousands)	3,334
Options exercisable shares, ending (in thousands)	2,098
Weighted Average Exercise Price for Options fully vested and expected to vest, ending	$ 1.61
Weighted Average Exercise Price for Options exercisable, ending	$ 1.43
Aggregate Intrinsic Value for Options fully vested and expected to vest, ending	3,463
Aggregate Intrinsic Value for Options exercisable, ending	$ 2,551

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7. SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014	May 31, 2014
Net sales	$ 2,027	$ 5,612	$ 8,200	$ 14,314
Property and equipment, net	502	311	502	311	474	[1]
US
Net sales	684	2,863	3,054	7,082
Property and equipment, net	455	268	455	268
Asia
Net sales	979	1,039	3,845	4,963
Property and equipment, net	35	42	35	42
Europe
Net sales	364	1,710	1,301	2,269
Property and equipment, net	$ 12	$ 1	$ 12	$ 1

[1] The condensed consolidated balance sheet at May 31, 2014 has been derived from the audited consolidated financial statements at that date.

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Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2015	May 31, 2014
ASSETS
Cash and cash equivalents	$ 2,274	$ 1,809	[1]
Accounts receivable, net	597	3,390	[1]
Inventories	6,854	6,148	[1]
Prepaid expenses and other	428	326	[1]
Total current assets	10,153	11,673	[1]
Property and equipment, net	502	474	[1]
Other assets	94	78	[1]
Total assets	10,749	12,225	[1]
LIABILITIES AND SHAREHOLDERS' EQUITY
Line of credit	115	777	[1]
Accounts payable	1,631	1,892	[1]
Accrued expenses	1,375	1,390	[1]
Customer deposits and deferred revenue	1,712	1,058	[1]
Total current liabilities	4,833	5,117	[1]
Income taxes payable	8	71	[1]
Deferred rent, net of current portion	0	8	[1]
Total liabilities	4,841	5,196	[1]
Aehr Test Systems shareholders' equity:
Common stock, $0.01 par value: Authorized: 75,000 shares: Issued and outstanding: 12,695 shares and 11,203 shares at February 28, 2015 and May 31, 2014, respectively	127	112	[1]
Additional paid-in capital	55,976	52,142	[1]
Accumulated other comprehensive income	2,262	2,488	[1]
Accumulated deficit	(52,439)	(47,692)	[1]
Total Aehr Test Systems shareholders' equity	5,926	7,050	[1]
Noncontrolling interest	(18)	(21)	[1]
Total shareholders' equity	5,908	7,029	[1]
Total liabilities and shareholders' equity	$ 10,749	$ 12,225	[1]

[1] The condensed consolidated balance sheet at May 31, 2014 has been derived from the audited consolidated financial statements at that date.

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12. SALES OF EQUITY SECURITIES (Details Narrative) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Feb. 28, 2015	Feb. 28, 2014
Proceeds from Issuance or Sale of Equity [Abstract]
Proceeds from issuance of common stock under private placement, net of issuance costs	$ 2,574	$ 0
Number of shares sold in private placement	1,065,029

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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Feb. 28, 2015		Feb. 28, 2014
Cash flows from operating activities:
Net (loss) income	$ (4,747)		$ 183
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Stock-based compensation expense	693		625
(Recovery of) provision for doubtful accounts	(44)		13
Gain on disposal of fixed asset	0		(41)
Depreciation and amortization	98		119
Changes in operating assets and liabilities:
Accounts receivable	2,584		(685)
Inventories	(706)		(546)
Prepaid expenses and other	(129)		(123)
Accounts payable	6		1,075
Accrued expenses	(71)		8
Customer deposits and deferred revenue	663		(691)
Income taxes payable	21		(35)
Deferred rent	(8)		(71)
Net cash used in operating activities	(1,640)		(169)
Cash flows from investing activities:
Purchases of property and equipment	(106)		(154)
Proceeds from sales of property and equipment	0		50
Net cash used in investing activities	(106)		(104)
Cash flows from financing activities:
Line of credit repayments, net	(662)		(695)
Proceeds from issuance of common stock under private placement, net of issuance costs	2,574		0
Proceeds from issuance of common stock under employee plans	553		502
Net cash provided by (used in) financing activities	2,465		(193)
Effect of exchange rates on cash	(254)		(12)
Net increase (decrease) in cash and cash equivalents	465		(478)
Cash and cash equivalents, beginning of period	1,809	[1]	2,324
Cash and cash equivalents, end of period	2,274		1,846
Supplemental disclosure of non-cash flow information
Net change in capitalized share-based compensation	$ 29		$ 0

[1] The condensed consolidated balance sheet at May 31, 2014 has been derived from the audited consolidated financial statements at that date.

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3. EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Earnings Per Share [Abstract]
Numerator: Net (loss) income	$ (1,726)	$ 212	$ (4,747)	$ 183
Denominator for basic net (loss) income per share: Weighted average shares outstanding (in thousands)	12,677	10,982	11,931	10,807
Shares used in basic net (loss) income per share calculation (in thousands)	12,677	10,982	11,931	10,807
Effect of dilutive securities (in thousands)	0	1,295	0	776
Denominator for diluted net (loss) income per share (in thousands)	12,677	12,277	11,931	11,583
Basic net (loss) income per share	$ (0.14)	$ 0.02	$ (0.40)	$ 0.02
Diluted net (loss) income per share	$ (0.14)	$ 0.02	$ (0.40)	$ 0.02

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2. STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Feb. 28, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Compensation costs related to the Company's stock-based compensation

 The following table summarizes compensation costs related to the Company’s stock-based compensation for the three and nine months ended February 28, 2015 and 2014 (in thousands):

	Three Months Ended				Nine Months Ended
	February 28,				February 28,
	2015		2014		2015		2014
Stock-based compensation in the form of employee stock options and ESPP shares, included in:
Cost of sales	$	17	$	10	$	47	$	33
Selling, general and administrative		148		184		508		471
Research and development		54		41		138		121
Total stock-based compensation	$	219	$	235	$	693	$	625

Assumptions for Options Valuation Model

 Fair Value.  The fair value of the Company’s stock options granted to employees for the three months ended February 28, 2015, and the nine months ended February 28, 2015 and 2014 were estimated using the following weighted average assumptions in the Black-Scholes option valuation model:

	Three Months Ended			Nine Months Ended
	February 28,			February 28,
	2015			2015			2014
Option plan shares
Expected term (in years)		4			4			4
Volatility		0.90			0.91			0.95
Expected dividend	$	0.00		$	0.00		$	0.00
Risk-free interest rates		1.16	%		1.25	%		1.40	%
Estimated forfeiture rate		0.25	%		0.25	%		0.25	%
Weighted average grant date fair value	$	1.62		$	1.64		$	1.03

There were no options granted during the three months ended February 28, 2014.

Fair values of the ESPP shares

The fair values of the ESPP purchase rights granted for the nine months ended February 28, 2015 and 2014 were estimated using the following weighted-average assumptions:

	Nine Months Ended
	February 28,
Employee stock purchase plan purchase rights	2015			2014
Expected term (in years)		0.5-2.0			0.5-2.0
Volatility		0.55-0.83			0.86-1.00
Expected dividend	$	0.00		$	0.00
Risk-free interest rates		0.04%-0.53	%		0.04%-0.33	%
Estimated forfeiture rate		0	%		0	%
Weighted average grant date fair value	$	1.47		$	1.34

 There were no ESPP purchase rights granted during the three months ended February 28, 2015 and 2014.

Stock option transactions

 The following table summarizes the stock option transactions during the three and nine months ended February 28, 2015 (in thousands, except per share data):

				Outstanding Options
								Weighted
					Number			Average		Aggregate
	Available				of			Exercise		Intrinsic
	Shares				Shares			Price		Value
Balances, May 31, 2014		1,145				3,002		$	1.31	$	2,913
Options granted		(625	)			625		$	2.65
Options terminated		9				(9	)	$	1.27
Options exercised		--				(295	)	$	1.07
Balances, August 31, 2014		529				3,323		$	1.59	$	3,277
Additional shares reserved		860				--
Options granted		(140	)			140		$	2.06
Options terminated		10				(10	)	$	1.74
Options exercised		--				(35	)	$	1.62
Balances, November 30, 2014		1,259				3,418		$	1.61	$	3,657
Options granted		(35	)			35		$	2.54
Options terminated		24				(24	)	$	2.06
Options exercised		--				(27	)	$	1.56
Balances, February 28, 2015		1,248				3,402		$	1.61	$	3,534
Options fully vested and expected to vest at February 28, 2015						3,334		$	1.61	$	3,463
Options exercisable at February 28, 2015						2,098		$	1.43	$	2,551

Options Outstanding

 The options outstanding and exercisable at February 28, 2015 were in the following exercise price ranges (in thousands, except per share data):

	Options Outstanding						Options Exercisable
	at February 28, 2015						at February 28, 2015
Range of Exercise Prices	Number Outstanding Shares		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Number Exercisable Shares		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Aggregate Intrinsic Value
$0.59-$0.97		680		4.10	$	0.70		586		4.14	$	0.72
$1.09-$1.40		1,311		4.23	$	1.28		807		3.86	$	1.28
$1.73-$2.06		512		3.25	$	1.91		409		2.55	$	1.92
$2.15-$2.71		899		5.96	$	2.62		296		4.96	$	2.56
$0.59-$2.71		3,402		4.51	$	1.61		2,098		3.84	$	1.43	$	$2,551

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3. EARNINGS PER SHARE (Details Narrative)	3 Months Ended		9 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Employee Stock Purchase Plan
Options not included in the computation of diluted net loss per share (in thousands)	175	177	160	177
Stock Options
Options not included in the computation of diluted net loss per share (in thousands)	3,402	192	3,381	370

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4. FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

9 Months Ended

Feb. 28, 2015

Fair Value Disclosures [Abstract]

Fair Value by Hierarchy

 The following table summarizes the Company’s financial assets and liabilities measured at fair value on a recurring basis as of February 28, 2015 (in thousands):

	Balance as of
	February 28,
	2015		Level 1		Level 2		Level 3
Money market funds	$	500	$	500	$	--	$	--
Certificate of deposit		50		--		50		--
Assets	$	550	$	500	$	50	$	--
Liabilities	$	--	$	--	$	--	$	--

 The following table summarizes the Company’s financial assets and liabilities measured at fair value on a recurring basis as of May 31, 2014 (in thousands):

	Balance as of
	May 31, 2014		Level 1		Level 2		Level 3
Money market funds	$	477	$	477	$	--	$	--
Certificate of deposit		50		--		50		--
Assets	$	527	$	477	$	50	$	--
Liabilities	$	--	$	--	$	--	$	--

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1. BASIS OF PRESENTATION

9 Months Ended

Feb. 28, 2015

Disclosure Text Block [Abstract]

1. BASIS OF PRESENTATION

1.  BASIS OF PRESENTATION

 The accompanying financial information has been prepared by Aehr Test Systems, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission, or SEC. Certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles in the United States (GAAP) have been condensed or omitted pursuant to such rules and regulations.

 In the opinion of management, the unaudited condensed consolidated financial statements for the interim periods presented have been prepared on a basis consistent with the May 31, 2014 audited consolidated financial statements and reflect all adjustments, consisting of normal recurring adjustments, necessary for a fair presentation of the condensed consolidated financial position and results of operations as of and for such periods indicated.  These unaudited condensed consolidated financial statements and notes thereto should be read in conjunction with the consolidated financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the fiscal year ended May 31, 2014.  Results for the interim periods presented herein are not necessarily indicative of results which may be reported for any other interim period or for the entire fiscal year.

 PRINCIPLES OF CONSOLIDATION.  The condensed consolidated financial statements include the accounts of Aehr Test Systems and its subsidiaries (collectively, the "Company," "we," "us," and "our").  All significant intercompany balances have been eliminated in consolidation.  For the majority owned subsidiary, Aehr Test Systems Japan, we reflected the noncontrolling interest of the portion we do not own on our Consolidated Balance Sheets in Shareholders’ Equity and in the Consolidated Statements of Operations.

 ACCOUNTING ESTIMATES.  The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Estimates are used to account for revenue adjustments, the allowance for doubtful accounts, inventory reserves, income taxes, stock-based compensation expenses, and product warranties, among others.  We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances.  Actual results could differ materially from those estimates.

 SIGNIFICANT ACCOUNTING POLICIES.  The Company’s significant accounting policies are disclosed in the Company’s Annual Report on Form 10-K for the year ended May 31, 2014.  There have been no changes in our significant accounting policies during the nine months ended February 28, 2015.

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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Feb. 28, 2015	May 31, 2014
Condensed Consolidated Balance Sheets Parenthetical
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	75,000	75,000
Common stock, shares issued	12,695	11,203
Common stock, shares outstanding	12,695	11,203

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11. LINE OF CREDIT

9 Months Ended

Feb. 28, 2015

Line of Credit Facility [Abstract]

11. LINE OF CREDIT

11. LINE OF CREDIT

On August 25, 2011, the Company entered into a working capital credit facility agreement allowing the Company to borrow up to $1.5 million based upon qualified accounts receivable, and export-related inventory. On May 29, 2012, the credit agreement was amended to increase the borrowing limit to $2.0 million.  On September 11, 2012, the Company entered into the second amendment to the Loan and Security Agreement to increase the borrowing limit under the credit facility from $2.0 million to $2.5 million.  On August 21, 2013, the Company entered into the Third Amendment to Loan and Security Agreement to extend the term of the agreement to August 22, 2014.  Under the terms of the amendment to the line of credit, the lender will also have a security interest in the Company’s intellectual property.  On August 22, 2014, the Company entered into the Fourth Amendment to Loan and Security Agreement to extend the term of the agreement to August 21, 2015.  The line of credit is collateralized by all of the Company’s assets.  Each account receivable financed by the lender will bear an annual interest rate or finance charge equal to the greater of the lender's prime rate less 0.5%, or 3.50%, if the Company meets certain borrowing base requirements. If the Company does not meet the borrowing base requirements, each account receivable financed by the lender will bear an annual interest rate or finance charge equal to the greater of the lender's prime rate plus 0.75%, or 4.75%.  The applicable interest is calculated based on the full amount of the account receivable and export-related inventory provided as collateral for the actual amounts borrowed.  Depending on the composition of the collateral items, whether or not the Company meets certain borrowing base requirements and the relative cash position of the Company, the equivalent annual interest rate applied to the actual loan balances may vary from 3.89% to 8.94%, assuming that the bank’s prime rate is 4.00% or less.  At February 28, 2015, the weighted average interest rate on the outstanding loan balance was 4.188%.  The average loan balance for the three and nine months ending February 28, 2015 was $397,000 and $649,000, respectively.  At February 28, 2015, the Company had drawn $115,000 against the credit facility.  The balance available to borrow under the line at February 28, 2015 was $78,000.  The Company was in compliance with all covenants at February 28, 2015.

 On April 10, 2015 the Company entered into a Convertible Note Purchase and Credit Facility Agreement with QVT Fund LP and Quintessence Fund L.P., resulting in the termination of the working capital credit agreement.  See Note 14, “SUBSEQUENT EVENT,” for a description of the Convertible Note Purchase and Credit Facility Agreement.

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Document and Entity Information	9 Months Ended
	Feb. 28, 2015	Mar. 31, 2015
Document And Entity Information
Entity Registrant Name	AEHR TEST SYSTEMS
Entity Central Index Key	0001040470
Document Type	10-Q
Document Period End Date	Feb. 28, 2015
Amendment Flag	false
Current Fiscal Year End Date	--05-31
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		12,709,054
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2015

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12. SALES OF EQUITY SECURITIES

9 Months Ended

Feb. 28, 2015

Proceeds from Issuance or Sale of Equity [Abstract]

12. SALES OF EQUITY SECURITIES

12. SALES OF EQUITY SECURITIES

 During the second quarter of fiscal 2015, the Company sold 1,065,029 shares of its common stock in a private placement transaction with certain directors and officers of the Company and other accredited investors.  The private placement resulted in net proceeds to the Company of $2,574,000 and closed on November 26, 2014.

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Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Income Statement [Abstract]
Net sales	$ 2,027	$ 5,612	$ 8,200	$ 14,314
Cost of sales	1,175	2,742	5,044	7,006
Gross profit	852	2,870	3,156	7,308
Operating expenses:
Selling, general and administrative	1,584	1,701	4,944	4,638
Research and development	1,031	907	3,095	2,386
Total operating expenses	2,615	2,608	8,039	7,024
(Loss) income from operations	(1,763)	262	(4,883)	284
Interest expense	(7)	(7)	(29)	(21)
Other income (expense), net	110	(21)	201	(85)
(Loss) income before income tax (expense) benefit	(1,660)	234	(4,711)	178
Income tax (expense) benefit	(66)	(22)	(36)	5
Net (loss) income	(1,726)	212	(4,747)	183
Less: Net income attributable to the noncontrolling interest	0	0	0	0
Net (loss) income attributable to Aehr Test Systems common shareholders	$ (1,726)	$ 212	$ (4,747)	$ 183
Net (loss) income per share - basic	$ (0.14)	$ 0.02	$ (0.40)	$ 0.02
Net (loss) income per share - diluted	$ (0.14)	$ 0.02	$ (0.40)	$ 0.02
Shares used in per share calculations - Basic	12,677	10,982	11,931	10,807
Shares used in per share calculations - Diluted	12,677	12,277	11,931	11,583

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6. INVENTORIES

9 Months Ended

Feb. 28, 2015

Inventory Disclosure [Abstract]

6. INVENTORIES

6.  INVENTORIES

 Inventories are comprised of the following (in thousands):

	February 28,		May 31,
	2015		2014
Raw materials and sub-assemblies	$	3,627	$	3,348
Work in process		3,099		2,585
Finished goods		128		215
	$	6,854	$	6,148

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5. ACCOUNTS RECEIVABLE, NET

9 Months Ended

Feb. 28, 2015

Accounts Receivable, Net, Current [Abstract]

5. ACCOUNTS RECEIVABLE

5.  ACCOUNTS RECEIVABLE, NET

Accounts receivable represents customer trade receivables and is presented net of allowances for doubtful accounts of $7,000 at February 28, 2015 and $51,000 at May 31, 2014.  Accounts receivable are derived from the sale of products throughout the world to semiconductor manufacturers, semiconductor contract assemblers, electronics manufacturers and burn-in and test service companies.  The Company’s allowance for doubtful accounts is based upon historical experience and review of trade receivables by aging category to identify specific customers with known disputes or collection issues.  Uncollectible receivables are recorded as bad debt expense when all efforts to collect have been exhausted and recoveries are recognized when they are received.

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3. EARNINGS PER SHARE (Tables)

9 Months Ended

Feb. 28, 2015

Earnings Per Share [Abstract]

EARNINGS PER SHARE

 The following table presents the computation of basic and diluted net (loss) income per share attributable to Aehr Test Systems common shareholders (in thousands, except per share data):

	Three Months Ended					Nine Months Ended
	February 28,					February 28,
	2015			2014		2015			2014
Numerator: Net (loss) income	$	(1,726	)	$	212	$	(4,747	)	$	183
Denominator for basic net (loss) income per share:
Weighted-average shares outstanding		12,677			10,982		11,931			10,807
Shares used in basic net (loss) income per share calculation		12,677			10,982		11,931			10,807
Effect of dilutive securities		--			1,295		--			776
Denominator for diluted net (loss) income per share		12,677			12,277		11,931			11,583
Basic net (loss) income per share	$	(0.14	)	$	0.02	$	(0.40	)	$	0.02
Diluted net (loss) income per share	$	(0.14	)	$	0.02	$	(0.40	)	$	0.02

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13. RECENT ACCOUNTING PRONOUNCEMENTS

9 Months Ended

Feb. 28, 2015

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

13. RECENT ACCOUNTING PRONOUNCEMENTS

13. RECENT ACCOUNTING PRONOUNCEMENTS

 In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU")  No. 2014-09, Revenue from contracts with customers, a new standard on revenue recognition.  The new standard will supersede existing revenue recognition guidance and apply to all entities that enter into contracts to provide goods or services to customers.  The guidance also addresses the measurement and recognition of gains and losses on the sale of certain non-financial assets, such as real estate, and property and equipment.  The new standard will become effective for us beginning with the first quarter of fiscal 2017 and can be adopted either retrospectively to each reporting period presented or as a cumulative effect adjustment as of the date of adoption.  We are currently evaluating the impact of adopting this new guidance on our consolidated financial statements.

In August 2014, the FASB issued ASU No. 2014-15, Presentation of Going Concern.  This standard requires management to evaluate the conditions or events that raise substantial doubt about the entity’s ability to continue as a going concern and whether or not it is probable that the entity will be unable to meet its obligations as they become due within one year after the date the financial statements are issued.  The new standard will apply to all entities and will be effective for us in the fiscal year 2017, with early adoption permitted. The adoption of this update is not expected to have a material effect on the Company’s consolidated financial statements or disclosures.

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9. INCOME TAXES

9 Months Ended

Feb. 28, 2015

Income Tax Disclosure [Abstract]

9. INCOME TAXES

9.  INCOME TAXES

 Income taxes have been provided using the liability method whereby deferred tax assets and liabilities are determined based on differences between financial reporting and tax bases of assets and liabilities and net operating loss and tax credit carryforwards measured using the enacted tax rates and laws that will be in effect when the differences are expected to reverse or the carryforwards are utilized.  Valuation allowances are established when it is determined that it is more likely than not that such assets will not be realized.

 Since fiscal 2009, a full valuation allowance was established against all deferred tax assets as management determined that it is more likely than not that certain deferred tax assets will not be realized.
 

 The Company accounts for uncertain tax positions consistent with authoritative guidance.  The guidance prescribes a “more likely than not” recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return.  The Company does not expect any material change in its unrecognized tax benefits over the next twelve months.  The Company recognizes interest and penalties related to unrecognized tax benefits as a component of income taxes.

 Although the Company files U.S. federal, various state, and foreign tax returns, the Company’s only major tax jurisdictions are the United States, California, Germany and Japan.  Tax years 1996 - 2014 remain subject to examination by the appropriate governmental agencies due to tax loss carryovers from those years.

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7. SEGMENT INFORMATION

9 Months Ended

Feb. 28, 2015

Segment Reporting [Abstract]

7. SEGMENT INFORMATION

7.  SEGMENT INFORMATION

 The Company operates in one reportable segment: the design, manufacture and marketing of advanced test and burn-in products to the semiconductor manufacturing industry.

 The following presents information about the Company’s operations in different geographic areas.  Net sales are based upon ship-to location (in thousands).

	United
	States		Asia		Europe		Total
Three months ended February 28, 2015:
Net sales	$	684	$	979	$	364	$	2,027
Property and equipment, net		455		35		12		502
Nine months ended February 28, 2015:
Net sales	$	3,054	$	3,845	$	1,301	$	8,200
Property and equipment, net		455		35		12		502
Three months ended February 28, 2014:
Net sales	$	2,863	$	1,039	$	1,710	$	5,612
Property and equipment, net		268		42		1		311
Nine months ended February 28, 2014:
Net sales	$	7,082	$	4,963	$	2,269	$	14,314
Property and equipment, net		268		42		1		311

 The Company’s Japanese and German subsidiaries primarily comprise the foreign operations.  Substantially all of the sales of the subsidiaries are made to unaffiliated Japanese or European customers.  Net sales from outside the United States include those of Aehr Test Systems Japan K.K. and Aehr Test Systems GmbH.

 Sales to the Company’s five largest customers accounted for approximately 82% and 87% of its net sales in the three and nine months ended February 28, 2015, respectively.  One customer accounted for approximately 60% of the Company’s net sales in the three months ended February 28, 2015.  Three customers accounted for approximately 47%, 12% and 10% of the Company’s net sales in the nine months ended February 28, 2015.  Sales to the Company’s five largest customers accounted for approximately 95% and 94% of its net sales in the three and nine months ended February 28, 2014, respectively.  Four customers accounted for approximately 36%, 28%, 19% and 11% of the Company’s net sales in the three months ended February 28, 2014.  Two customers accounted for approximately 46% and 33% of the Company’s net sales in the nine months ended February 28, 2014.  No other customers represented more than 10% of the Company’s net sales for either fiscal 2015 or fiscal 2014.

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8. PRODUCT WARRANTIES

9 Months Ended

Feb. 28, 2015

Product Warranties Disclosures [Abstract]

8. PRODUCT WARRANTIES

8.  PRODUCT WARRANTIES

 The Company provides for the estimated cost of product warranties at the time the products are shipped.  While the Company engages in extensive product quality programs and processes, including actively monitoring and evaluating the quality of its component suppliers, the Company’s warranty obligation is affected by product failure rates, material usage and service delivery costs incurred in correcting a product failure.  Should actual product failure rates, material usage or service delivery costs differ from the Company’s estimates, revisions to the estimated warranty liability would be required.

 The standard warranty period is ninety days for parts and service and one year for systems.

 Following is a summary of changes in the Company's liability for product warranties during the three and nine months ended February 28, 2015 and 2014 (in thousands):

	Three Months Ended						Nine Months Ended
	February 28,						February 28,
	2015			2014			2015			2014
Balance at the beginning of the period	$	149		$	208		$	223		$	222
Accruals for warranties issued during the period		47			34			145			188
Settlement made during the period (in cash or in kind)		(34	)		(46	)		(206	)		(214	)
Balance at the end of the period	$	162		$	196		$	162		$	196

 The accrued warranty balance is included in accrued expenses on the accompanying condensed consolidated balance sheets.

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10. CUSTOMER DEPOSITS AND DEFERRED REVENUE

9 Months Ended

Feb. 28, 2015

Customer Deposits And Deferred Revenue

10. CUSTOMER DEPOSITS AND DEFERRED REVENUE

10. CUSTOMER DEPOSITS AND DEFERRED REVENUE

 Customer deposits and deferred revenue (in thousands):

	February 28,		May 31,
	2015			2014
Customer deposits	$	546		$	871
Deferred revenue		1,166			187
	$	1,712		$	1,058

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2. STOCK-BASED COMPENSATION (Details Narrative) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Stock-based compensation costs capitalized as part of inventory	$ 53	$ 0	$ 53	$ 0
Stock-based compensation expense related to stock options	183	205	589	533
Intrinsic value of options exercised	30	162	466	315
Weighted average remaining contractual life of the options exercisable and expected to be exercisable			4 years 6 months 4 days
Employee Stock Purchase Plan
Stock-based compensation related to the ESPP	37	30	104	92
Compensation cost related to options to purchase the Company's common stock under the ESPP but not yet recognized	111		111
Weighted average period for recognition of costs			1 year 2 months 12 days
ESPP purchase rights granted	0	0	170,000	163,000
ESPP shares issued	0	0	43,000	75,000
ESPP shares available for issuance	311,000		311,000
1996 Stock Option Plan and 2006 Equity Incentive Plan
Unrecognized stock-based compensation	1,540		1,540
Estimated forfeitures of unvested stock based awards, amount	$ 4		$ 4
Weighted average period for recognition of costs			2 years 8 months 12 days

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1. BASIS OF PRESENTATION (Policies)

9 Months Ended

Feb. 28, 2015

Accounting Policies [Abstract]

BASIS OF PRESENTATION

BASIS OF PRESENTATION

  The accompanying financial information has been prepared by Aehr Test Systems, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission, or SEC. Certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles in the United States (GAAP) have been condensed or omitted pursuant to such rules and regulations.

 In the opinion of management, the unaudited condensed consolidated financial statements for the interim periods presented have been prepared on a basis consistent with the May 31, 2014 audited consolidated financial statements and reflect all adjustments, consisting of normal recurring adjustments, necessary for a fair presentation of the condensed consolidated financial position and results of operations as of and for such periods indicated.  These unaudited condensed consolidated financial statements and notes thereto should be read in conjunction with the consolidated financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the fiscal year ended May 31, 2014.  Results for the interim periods presented herein are not necessarily indicative of results which may be reported for any other interim period or for the entire fiscal year.

PRINCIPLES OF CONSOLIDATION

 PRINCIPLES OF CONSOLIDATION.  The condensed consolidated financial statements include the accounts of Aehr Test Systems and its subsidiaries (collectively, the "Company," "we," "us," and "our").  All significant intercompany balances have been eliminated in consolidation.  For the majority owned subsidiary, Aehr Test Systems Japan, we reflected the noncontrolling interest of the portion we do not own on our Consolidated Balance Sheets in Shareholders’ Equity and in the Consolidated Statements of Operations.

ACCOUNTING ESTIMATES

 ACCOUNTING ESTIMATES.  The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Estimates are used to account for revenue adjustments, the allowance for doubtful accounts, inventory reserves, income taxes, stock-based compensation expenses, and product warranties, among others.  We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances.  Actual results could differ materially from those estimates.

SIGNIFICANT ACCOUNTING POLICIES

 SIGNIFICANT ACCOUNTING POLICIES.  The Company’s significant accounting policies are disclosed in the Company’s Annual Report on Form 10-K for the year ended May 31, 2014.  There have been no changes in our significant accounting policies during the nine months ended February 28, 2015.

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7. SEGMENT INFORMATION (Tables)

9 Months Ended

Feb. 28, 2015

Segment Reporting [Abstract]

Company's operations in different geographic areas

 The following presents information about the Company’s operations in different geographic areas.  Net sales are based upon ship-to location (in thousands).

	United
	States		Asia		Europe		Total
Three months ended February 28, 2015:
Net sales	$	684	$	979	$	364	$	2,027
Property and equipment, net		455		35		12		502
Nine months ended February 28, 2015:
Net sales	$	3,054	$	3,845	$	1,301	$	8,200
Property and equipment, net		455		35		12		502
Three months ended February 28, 2014:
Net sales	$	2,863	$	1,039	$	1,710	$	5,612
Property and equipment, net		268		42		1		311
Nine months ended February 28, 2014:
Net sales	$	7,082	$	4,963	$	2,269	$	14,314
Property and equipment, net		268		42		1		311

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7, SEGMENT INFORMATION (Details Narrative)	3 Months Ended		9 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Sales to the Company's five largest customers percentage of net sales	82.00%	95.00%	87.00%	94.00%
Customer A
Customers accounted for 10% or more of total revenues	60.00%
Customer B
Customers accounted for 10% or more of total revenues			47.00%
Customer C
Customers accounted for 10% or more of total revenues			12.00%
Customer D
Customers accounted for 10% or more of total revenues			10.00%
Customer E
Customers accounted for 10% or more of total revenues		36.00%
Customer F
Customers accounted for 10% or more of total revenues		28.00%
Customer G
Customers accounted for 10% or more of total revenues		19.00%
Customer H
Customers accounted for 10% or more of total revenues		11.00%
Customer I
Customers accounted for 10% or more of total revenues				46.00%
Customer J
Customers accounted for 10% or more of total revenues				33.00%

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Condensed Consolidated Statements of Comprehensive (Loss) Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (1,726)	$ 212	$ (4,747)	$ 183
Other comprehensive (loss) income , net of tax: Net change in cumulative translation adjustment	(111)	14	(223)	59
Total comprehensive (loss) income	(1,837)	226	(4,970)	242
Less: Comprehensive income (loss) attributable to the noncontrolling interest	0	0	3	(1)
Comprehensive (loss) income, attributable to Aehr Test Systems	$ (1,837)	$ 226	$ (4,973)	$ 243

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4. FAIR VALUE OF FINANCIAL INSTRUMENTS

9 Months Ended

Feb. 28, 2015

Fair Value Disclosures [Abstract]

4. FAIR VALUE OF FINANCIAL INSTRUMENTS

4.  FAIR VALUE OF FINANCIAL INSTRUMENTS

 The Company’s financial instruments are measured at fair value consistent with authoritative guidance. This authoritative guidance defines fair value, establishes a framework for using fair value to measure assets and liabilities, and disclosures required related to fair value measurements.

 The guidance establishes a fair value hierarchy based on inputs to valuation techniques that are used to measure fair value that are either observable or unobservable.  Observable inputs reflect assumptions market participants would use in pricing an asset or liability based on market data obtained from independent sources while unobservable inputs reflect a reporting entity’s pricing based upon their own market assumptions.  The fair value hierarchy consists of the following three levels:

Level 1 - instrument valuations are obtained from real-time quotes for transactions in active exchange markets involving identical assets.

Level 2 - instrument valuations are obtained from readily-available pricing sources for comparable instruments.

Level 3 - instrument valuations are obtained without observable market values and require a high level of judgment to determine the fair value.

 The following table summarizes the Company’s financial assets and liabilities measured at fair value on a recurring basis as of February 28, 2015 (in thousands):

	Balance as of
	February 28,
	2015		Level 1		Level 2		Level 3
Money market funds	$	500	$	500	$	--	$	--
Certificate of deposit		50		--		50		--
Assets	$	550	$	500	$	50	$	--
Liabilities	$	--	$	--	$	--	$	--

 The following table summarizes the Company’s financial assets and liabilities measured at fair value on a recurring basis as of May 31, 2014 (in thousands):

	Balance as of
	May 31, 2014		Level 1		Level 2		Level 3
Money market funds	$	477	$	477	$	--	$	--
Certificate of deposit		50		--		50		--
Assets	$	527	$	477	$	50	$	--
Liabilities	$	--	$	--	$	--	$	--

 There were no transfers between Level 1 and Level 2 fair value measurements during the three and nine months ended February 28, 2015 and 2014.

 Financial instruments include cash, cash equivalents, receivables, accounts payable and certain other accrued liabilities. The fair value of cash, cash equivalents, receivables, accounts payable and certain other accrued liabilities are valued at their carrying value, which approximates fair value due to their short maturities.

 The Company has, at times, invested in debt and equity of private companies, and may do so again in the future, as part of its business strategy.

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8. PRODUCT WARRANTIES (Tables)

9 Months Ended

Feb. 28, 2015

Product Warranties Disclosures [Abstract]

Liability for product warranties

 Following is a summary of changes in the Company's liability for product warranties during the three and nine months ended February 28, 2015 and 2014 (in thousands):

	Three Months Ended						Nine Months Ended
	February 28,						February 28,
	2015			2014			2015			2014
Balance at the beginning of the period	$	149		$	208		$	223		$	222
Accruals for warranties issued during the period		47			34			145			188
Settlement made during the period (in cash or in kind)		(34	)		(46	)		(206	)		(214	)
Balance at the end of the period	$	162		$	196		$	162		$	196

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5. ACCOUNTS RECEIVABLE NET (Details Narrative) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2015	May 31, 2014
Accounts Receivable, Net, Current [Abstract]
Allowance for doubtful accounts customer trade receivables	$ 7	$ 51

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14. SUBSEQUENT EVENT

9 Months Ended

Feb. 28, 2015

Subsequent Events [Abstract]

14. SUBSEQUENT EVENT

14. SUBSEQUENT EVENT

 On April 10, 2015, Aehr Test Systems the “Company”) entered into a Convertible Note Purchase and Credit Facility Agreement (the “Purchase Agreement”) with QVT Fund LP and Quintessence Fund L.P. (the “Purchasers”) providing for (a) the Company’s sale to the Purchasers of $4,110,000 in aggregate principal amount of 9.0% Convertible Secured Notes due 2017 (the “Convertible Notes”) and (b) a secured revolving loan facility (the “Credit Facility”) in an aggregate principal amount of up to $2,000,000.  This agreement resulted in the termination of the working capital credit facility agreement discussed in Note 11, “LINE OF CREDIT.”

 The Convertible Notes bear interest at an annual rate of 9.0% and will mature on April 10, 2017 unless repurchased or converted prior to that date.  Interest is payable quarterly on March 1, June 1, September 1 and December 1 of each year.  The Company may not redeem the Convertible Notes prior to maturity.

 The initial conversion price for the Convertible Notes is $2.65 per share of the Company’s common stock and is subject to adjustment upon the occurrence of certain specified events (as adjusted, the “Conversion Price”).   Holders may convert all or any part of the principal amount of their Convertible Notes in integrals of $10,000 at any time prior to the maturity date.  Upon conversion, the Company will deliver shares of its common stock to the holder of Convertible Notes electing such conversion.

 Advances under the Credit Facility will bear interest at an annual rate of 5%.  Each advance under the Credit Facility and any accrued and unpaid interest thereon must be repaid within 90 days from the date on which such advance is made.  Unless paid in full at maturity, amounts owing under the credit facility may be converted by the holder into Convertible Notes.  Advances under the Credit Facility may be prepaid without any prepayment premium or penalty and may be reborrowed (unless converted into Convertible Notes).

 The Company’s obligations under the Purchase Agreement, Convertible Notes and the Credit Facility are secured by substantially all of the assets of the Company.