Consolidated Balance Sheets (unaudited) (USD $) In Thousands, unless otherwise specified	Nov. 25, 2011	Feb. 25, 2011
Assets:
Cash and cash equivalents	$ 3,585	$ 1,423
Restricted cash	5,986	5,607
Accounts receivable, net	9,563	4,727
Costs and estimated earnings in excess of billings on uncompleted long-term contracts	18,851	10,371
Inventories, net	5,589	4,015
Deferred tax assets, current	4,115	3,807
Prepaid expenses and other current assets	702	691
Total current assets	48,391	30,641
Property, plant and equipment, net	14,710	13,359
Software development costs, net	696	802
Deferred tax assets, non-current, net	3,489	5,919
Other assets	59	70
Total assets	67,345	50,791
Liabilities:
Current portion of long-term debt obligations	12	219
Accounts payable, trade	6,573	4,308
Billings in excess of costs and estimated earnings on uncompleted long-term contracts	5,408	7,534
Customer deposits	4,221	3,907
Accrued income taxes	471	28
Accrued interest and dividends	882	725
Other accrued liabilities	2,317	2,857
Total current liabilities	19,884	19,578
Long-term debt obligations, less current portion:
Credit facility payable to bank	17,116	3,041
Other long-term debt obligations	0	43
Total long-term debt obligations, less current portion	17,116	3,084
Total liabilities	37,000	22,662
Commitments and contingencies
Shareholders' equity:
Common Stock, $0.05 par value, 50,000,000 shares authorized; 9,120,855 and 9,104,601 shares issued and outstanding at November 25, 2011 and February 25, 2011, respectively	456	455
Additional paid-in capital	10,388	11,932
Accumulated other comprehensive loss	(581)	(372)
Accumulated deficit	(2,119)	(6,059)
Total shareholders' equity	30,271	28,083
Non-controlling interest	74	46
Total shareholders' equity attributable to ETC	30,345	28,129
Total liabilities and shareholders' equity	67,345	50,791
Series D Preferred Stock [Member]
Shareholders' equity:
Cumulative convertible participating Preferred Stock	386	386
Series E Preferred Stock [Member]
Shareholders' equity:
Cumulative convertible participating Preferred Stock	$ 21,741	$ 21,741