Condensed Consolidated Balance Sheets (USD $)	Jun. 29, 2012	Mar. 31, 2012
Current assets:
Cash and cash equivalents	$ 3,172,000	$ 3,249,000
Receivable, net	4,343,000	4,539,000
Inventories	3,327,000	3,594,000
Prepaid expenses and other current assets	283,000	261,000
Total current assets	11,125,000	11,643,000
Equipment and leasehold improvements, net	3,196,000	3,301,000
Goodwill	4,579,000	4,579,000
Intangibles and patents, net	4,256,000	4,538,000
Other assets	371,000	322,000
Total Assets	23,527,000	24,383,000
Current liabilities:
Accounts payable	980,000	872,000
Accrued compensation	787,000	866,000
Accrued subcontracting costs	327,000	355,000
Other accrued expenses	689,000	651,000
Current portion of long-term debt - bank term loan	333,000	333,000
Current portion of long-term debt - bank line of credit	800,000	500,000
Current portion of long-term debt - MEDC/MSF	538,000	532,000
Total current liabilities	4,454,000	4,109,000
Long-term debt, less current portion - MEDC/MSF	793,000	929,000
Long-term debt, less current portion - bank term loan	583,000	667,000
Warrant liability	9,000	26,000
Total liabilities	5,839,000	5,731,000
Commitments and contingencies
Shareholders' equity:
Class A Common Stock, $.001 par value, 100,000,000 authorized; June 29, 2012 - 31,161,147 shares issued and outstanding, March 31, 2012 - 31,159,431 shares issued and outstanding	31,000	31,000
Additional paid-in capital	58,475,000	58,446,000
Accumulated deficit	(40,818,000)	(39,825,000)
Total shareholders' equity	17,688,000	18,652,000
Total Liabilities and Shareholders' Equity	$ 23,527,000	$ 24,383,000