Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Aug. 31, 2012	Aug. 31, 2011
Statement Of Cash Flows [Abstract]
Net income	$ 346	$ 690
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	143	116
Decrease (increase) in operating assets and liabilities:
Accounts receivable	(94)	141
Inventories, net	(479)	(146)
Prepaid expenses	(24)	(30)
Other assets	27	1
Increase (decrease) in:
Accounts payable	105	77
Prepetition liabilities	(14)	(14)
Customer deposit	42	33
Accrued expenses	(115)	(272)
Long-term liabilities	(10)	(10)
Total adjustments	(412)	(104)
NET CASH (USED IN)/PROVIDED BY OPERATING ACTIVITIES	(73)	586
CASH FLOWS FROM INVESTING ACTIVITIES:
Sales of Treasury Bills and Certificates of Deposit	2,928	2,633
Purchases of Treasury Bills and Certificates of Deposit	(2,583)	(2,933)
Purchases of property, plant and equipment	(69)	(48)
NET CASH PROVIDED BY/(USED IN) INVESTING ACTIVITIES	276	(348)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of treasury stock	(275)
Cash from exercise of employee stock options	7	1
NET CASH (USED IN)/PROVIDED BY FINANCING ACTIVITIES	(268)	1
Net (decrease)/increase in cash and cash equivalents	(65)	239
Cash and cash equivalents - beginning of the period	985	539
Cash and cash equivalents - end of the period	$ 920	$ 778