CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Sep. 30, 2011	Mar. 31, 2011
Current assets:
Cash and cash equivalents	$ 932,289	$ 123,955
Accounts receivable, net	1,455,363	2,585,619
Unbilled government receivables	1,466,623	1,466,623
Inventories, net	2,645,818	2,970,378
Prepaid expenses and other	121,608	70,970
Deferred debt expense	108,321	108,321
Deferred income tax asset	846,955	1,131,175
Total current assets	7,576,977	8,457,041
Equipment and leasehold improvements, net	420,134	330,694
Deferred debt expenses – long-term	318,945	373,105
Deferred income tax asset – non-current	1,461,664	1,461,664
Other assets	62,670	35,235
Total assets	9,840,390	10,657,739
Current liabilities:
Current portion long-term debt	504,617	282,798
Capital lease obligations	10,445	15,685
Accounts payable	437,241	1,598,679
Progress billings		424,202
Deferred revenues – current portion	23,731	28,382
Accrued payroll, vacation pay and payroll taxes	419,109	445,738
Accrued expenses	1,900,369	1,287,034
Total current liabilities	3,295,512	4,082,518
Subordinated notes payable-related parties	250,000	250,000
Capital lease obligations – long-term	57,327
Deferred revenues	8,969	15,381
Warranty Liability	429,832	366,137
Long-term debt, net of debt discount	1,744,682	1,979,114
Total liabilities	5,786,322	6,693,150
Commitments	0	0
Stockholders' equity:
Common stock, par value $.10 per share, 2,652,315 and 2,646,215 issued and outstanding as of September 30, 2011 and March 31, 2011, respectively	265,231	264,621
Additional paid-in capital	5,777,879	5,711,531
Accumulated deficit	(1,989,042)	(2,011,563)
Total stockholders' equity	4,054,068	3,964,589
Total liabilities and stockholders' equity	$ 9,840,390	$ 10,657,739