Consolidated Balance Sheets (USD $) In Thousands	Aug. 26, 2011	Feb. 25, 2011
Assets:
Cash and cash equivalents	$ 4,685	$ 1,423
Restricted cash	5,625	5,607
Accounts receivable, net	6,517	4,727
Costs and estimated earnings in excess of billings on uncompleted long-term contracts	16,758	10,371
Inventories, net	5,519	4,015
Deferred tax assets, current	4,143	3,807
Prepaid expenses and other current assets	1,235	691
Total current assets	44,482	30,641
Property, plant and equipment, net	14,687	13,359
Software development costs, net	774	802
Deferred tax assets, non-current, net	4,235	5,919
Other assets	4	70
Total assets	64,182	50,791
Liabilities:
Current portion of long-term debt obligations	161	219
Accounts payable, trade	4,775	4,308
Billings in excess of costs and estimated earnings on uncompleted long-term contracts	7,741	7,534
Customer deposits	3,968	3,907
Accrued income taxes	841	28
Accrued interest and dividends	819	725
Other accrued liabilities	3,236	2,857
Total current liabilities	21,541	19,578
Long-term debt obligations, less current portion:
Credit facility payable to bank	12,430	3,041
Other long-term debt obligations	40	43
Total long-term debt obligations, less current portion:	12,470	3,084
Total liabilities	34,011	22,662
Commitments and contingencies
Shareholders' equity:
Common Stock, $0.05 par value, 50,000,000 shares authorized; 9,116,093 and 9,104,601 shares issued and outstanding at August 26, 2011 and February 25, 2011, respectively	455	455
Additional paid-in capital	10,905	11,932
Accumulated other comprehensive loss	(452)	(372)
Accumulated deficit	(2,928)	(6,059)
Total shareholders' equity	30,107	28,083
Non-controlling interest	64	46
Total shareholders' equity attributable to ETC	30,171	28,129
Total liabilities and shareholders' equity	64,182	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