Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Apr. 30, 2013	Apr. 30, 2012
Cash flows from operating activities
Net income	$ 492,961	$ 1,134,324
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	4,375,397	4,069,944
Stock-based compensation	189,305	2,414
Restricted stock expense	71,483
Provision for doubtful accounts		14,103
Provision for inventory obsolescence		36,352
Deferred income tax provision (benefit)	(321,167)	337,580
Amortization of intangible assets	279,491	112,750
(Gain) loss from disposal or sale of machinery and equipment	(19,662)	52,855
Changes in assets and liabilities, net of business acquisition
Accounts receivable	(5,242,863)	(4,381,326)
Inventories	(5,615,748)	7,147,110
Prepaid expenses and other assets	(1,194,355)	(114,311)
Refundable income taxes	237,627	(38,141)
Trade accounts payable	9,254,671	1,402,892
Deferred rent	360,656	13,057
Accrued expenses and wages	883,835	18,707
Net cash provided by operating activities	3,751,631	9,808,310
Cash flows from investing activities
Purchases of machinery and equipment	(7,171,043)	(2,307,143)
Cash received in conjunction with acquisition	1,142,597
Proceeds from sale of machinery and equipment	22,000
Net cash used in investing activities	(6,006,446)	(2,307,143)
Cash flows from financing activities
Proceeds from exercise of common stock options	39,900	99,656
Payments under capital lease obligations	(219,457)	(850,104)
Payments under other notes payable	(26,832)	(160,994)
Payments under building notes payable	(99,996)	(99,996)
Change in lines of credit	2,500,000	(6,000,000)
Tax benefit from exercise of options		41,100
Net cash provided (used in) by financing activities	2,193,615	(6,970,338)
(DECREASE) INCREASE IN CASH	(61,200)	530,829
Cash and cash equivalents at beginning of year	4,668,931	4,138,102
Cash and cash equivalents at end of year	4,607,731	4,668,931
Supplementary disclosures of cash flow information
Cash paid for interest	795,502	968,478
Cash paid for income taxes	34,535	66,713
Cash refunded for income taxes	(286,695)	(160,000)
Non-Cash Transaction - Acquisition of Spitfire Control, Inc.
SigmaTron International, Inc. A/R Trade forgiven	15,312,904
SigmaTron International, Inc. Foreign A/R Trade forgiven	1,142,392
Contingent consideration	2,320,000
Issuance of Restricted stock	169,011
Total Cost of Acquisition	$ 18,944,307