Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Nov. 25, 2011	Nov. 26, 2010
Cash flows from operating activities:
Net income	$ 3,968	$ 5,929
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	1,256	1,109
Increase (decrease) in valuation allowance for deferred tax assets	343	(2,456)
Accretion of debt discount	130	165
Increase in allowances for accounts receivable and inventories, net	41	252
Stock compensation expense	76	73
Deferred tax assets, net	1,779	2,278
Changes in operating assets and liabilities:
Accounts receivable	(4,862)	7,334
Costs and estimated earnings in excess of billings on uncompleted long-term contracts	(8,480)	(4,358)
Inventories	(2,569)	1,536
Prepaid expenses and other assets	(131)	(1,576)
Accounts payable	2,266	2,681
Billings in excess of costs and estimated earnings on uncompleted long-term contracts	(2,126)	(10,045)
Customer deposits	314	(54)
Accrued income taxes	443	0
Accrued interest and dividends	157	(91)
Other accrued liabilities	(541)	(200)
Net cash (used in) provided by operating activities	(7,936)	2,577
Cash flows from investing activities:
Acquisition of equipment	(1,357)	(990)
Capitalized software development costs	(163)	(474)
Net cash used in investing activities	(1,520)	(1,464)
Cash flows from financing activities:
Borrowings under line of credit	14,075	3,374
Payment of Preferred Stock dividends	(1,656)	(1,703)
Increase in restricted cash	(379)	(2,727)
Payments of other debt obligations	(250)	(229)
Issuance of Common Stock	37	30
Net cash provided by (used in) financing activities	11,827	(2,524)
Effect of exchange rate changes on cash	(209)	359
Net increase (decrease) in cash	2,162	(1,052)
Cash at beginning of period	1,423	2,408
Cash at end of period	3,585	1,356
Supplemental schedule of cash flow information:
Interest paid	278	309
Income taxes paid	631	256
Supplemental information on non-cash operating and investing activities:
Accrued dividends on Preferred Stock	552	559
Series E Preferred Stock [Member]
Cash flows from financing activities:
Repurchase of Preferred Stock	0	(1,500)
Series D Preferred Stock [Member]
Cash flows from financing activities:
Issuance of Preferred Stock	$ 0	$ 231