CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	6 Months Ended
	Aug. 31, 2011	Aug. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 1,876	$ (3,407)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	1,385	1,253
Stock-based compensation expense	1,099	1,004
Non-cash interest expense	724	268
Write-off of currency translation account of foreign subsidiary	801	0
Deferred tax assets, net	0	807
Other	0	9
Changes in operating assets and liabilities:
Accounts receivable	2,291	2,870
Inventories	(1,954)	(1,379)
Costs and estimated earnings in excess of billings on uncompleted contracts	(872)	(95)
Prepaid expenses and other assets	223	376
Accounts payable	(485)	(1,028)
Accrued liabilities	432	(1,317)
Deferred revenue	(129)	677
NET CASH PROVIDED BY OPERATING ACTIVITIES	5,391	38
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(389)	(712)
Collections on note receivable	298	229
NET CASH USED IN INVESTING ACTIVITIES	(91)	(483)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net debt proceeds (repayments) on bank line of credit	(2,215)	1,898
Proceeds from bank term loan	3,000	0
Repayment of subordinated notes payable	(5,000)	0
Payment of debt issue costs	(63)	0
Taxes paid related to net share settlement of vested equity awards	(1,016)	(388)
Proceeds from exercise of stock options	9	0
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	(5,285)	1,510
Net change in cash and cash equivalents	15	1,065
Cash and cash equivalents at beginning of period	4,241	2,986
Cash and cash equivalents at end of period	$ 4,256	$ 4,051