CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (1,296,776)	$ (854,978)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	624,763	370,289
Stock based compensation expense	448,608	372,385
Deferred income taxes	103,760	91,188
Provision for contract losses	20,000	566,397
Changes in operating assets and liabilities:
Accounts receivable	1,409,395	40,998
Costs incurred on uncompleted contracts, in excess of progress billings	(991,660)	(2,414,331)
Inventories - raw materials	(100,916)	437,494
Other current assets	(225,459)	(226,468)
Taxes receivable	324,764	(869,047)
Other noncurrent assets	141,039	(224,376)
Accounts payable	1,086,040	218,335
Accrued expenses	(1,058,854)	(184,455)
Accrued taxes payable	43,224	157,703
Deferred revenues	122,579	(228,074)
Net cash provided by (used in) operating activities	650,507	(2,746,940)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property, plant and equipment	(395,367)	(2,342,542)
Net cash used in investing activities	(395,367)	(2,342,542)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercised stock options		35,511
Tax expense from share-based compensation		(1,030)
Repayments of long-term debt, including capital lease	(1,065,558)	(1,111,239)
Borrowings of long-term debt		1,699,397
Net cash (used in) provided by financing activities	(1,065,558)	622,639
Effect of exchange rate on cash and cash equivalents	554	11,913
Net decrease in cash and cash equivalents	(809,864)	(4,454,930)
Cash and cash equivalents, beginning of period	2,823,485	7,541,000
Cash and cash equivalents, end of period	2,013,621	3,086,070
Cash paid during the year for:
Interest expense	219,403	246,938
Income taxes		764,306
SUPPLEMENTAL INFORMATION - NONCASH INVESTING AND FINANCING TRANSACTIONS:
Common stock issued in conversion of Series A Convertible Preferred Stock (in shares)	1,565,999	2,030,072
Series A Convertible Preferred Stock converted (in shares)	1,197,984	1,553,000
Liability recorded for fair value of an interest rate swap contract in connection with a tax exempt bond	259,960	243,844
Tax on liability recorded for fair value of an interest rate swap contract in connection with a tax exempt bond	169,335	164,400
Capital lease arrangement for new office equipment	46,378
Placed equipment into service which was under construction		$ 2,172,420