CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Oct. 31, 2011	Oct. 31, 2010
Cash Flows from Operating Activities:
Net income (loss)	$ 1,170,654	$ (124,648)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Stock-based compensation	499,493	591,751
Provision for doubtful accounts	0	(6,509)
Provision for inventory obsolescence	(37,000)	260,614
Depreciation and amortization	1,207,135	1,478,761
Deferred income tax	28,786	3,169,278
Loss on disposal of discontinued operations	880,694	0
Changes in operating assets and liabilities:
Increase in accounts receivable	(1,030,161)	(1,220,955)
(Increase) decrease in inventories	(2,158,394)	44,913
(Increase) decrease in other assets	597,111	(2,719,667)
Increase (decrease) in accounts payable, accrued expenses and other liabilities	(2,545,306)	3,968,722
Net cash provided by (used in) operating activities	(1,386,988)	5,442,260
Cash Flows from Investing Activities:
Purchases of property and equipment	(3,593,674)	(1,235,789)
Net cash used in investing activities	(3,593,674)	(1,235,789)
Cash Flows from Financing Activities:
Purchases of stock under stock repurchase program	(339,371)	0
Net (payments) borrowings under loan agreements	5,460,961	(3,720,830)
Cash paid for taxes in lieu of shares issued under restricted stock program	(50,429)	0
Net cash provided by (used in) financing activities	5,071,161	(3,720,830)
Effect of exchange rate changes on cash	(96,917)	(123,913)
Net increase (decrease) in cash and cash equivalents	(6,418)	361,728
Cash and cash equivalents at beginning of period	5,953,069	5,093,380
Cash and cash equivalents at end of period	$ 5,946,651	$ 5,455,108