CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Jun. 30, 2013
CURRENT ASSETS
Cash and cash equivalents	$ 15,280		$ 15,503
Restricted cash	111		111
Accounts receivable, net of allowance for doubtful accounts of $26 and $26, respectively	3,075		2,595
Inventory	1,367		1,632
Prepaid and other current assets	704		583
TOTAL CURRENT ASSETS	20,537		20,424
PROPERTY, PLANT AND EQUIPMENT, net	4,142		4,440
INTANGIBLE ASSETS, net of accumulated amortization of $303 and $275, respectively	748		668
TOTAL ASSETS	25,427		25,532
CURRENT LIABILITIES
Accounts payable	1,143		1,085
Accrued liabilities	1,490		1,345
Deferred revenue	1,389		1,351
TOTAL CURRENT LIABILITIES	4,022		3,781
LONG-TERM DEFERRED REVENUE	493		579
OTHER LONG-TERM LIABILITIES	7		102
TOTAL LIABILITIES	4,522		4,462
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY
Common stock, $0.01 par value per share; 20,000,000 shares authorized; 15,401,318 and 15,370,320 shares issued and outstanding, respectively	154		154
Treasury stock, at cost, 161,801 and 25,360 shares repurchased, respectively	(681)		(74)
Additional paid-in capital	23,411		23,211
Accumulated deficit	(1,979)		(2,221)
TOTAL STOCKHOLDERS' EQUITY	20,905	[1]	21,070
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 25,427		$ 25,532

[1] unaudited