CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net (loss) income	$ (751,289)	$ 293,363
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization	415,429	237,237
Stock based compensation expense	282,719	249,061
Deferred income taxes	(282,020)	41,355
Provision for contract losses	83,196
Changes in operating assets and liabilities:
Accounts receivable	219,289	2,516,457
Costs incurred on uncompleted contracts, in excess of progress billings	(948,192)	(5,620,879)
Inventories - raw materials	(202,361)	319,823
Other current assets	61,199	(102,803)
Taxes receivable	553,070	(579,887)
Other noncurrent assets	88,126	(277,500)
Accounts payable	664,632	549,512
Accrued expenses	(1,036,974)	98,757
Deferred revenues	931,453	1,311,233
Net cash provided by (used in) operating activities	78,277	(964,271)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property, plant and equipment	(75,109)	(2,337,533)
Net cash used in investing activities	(75,109)	(2,337,533)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercised stock options		35,511
Tax expense from share-based compensation		(1,030)
Repayment of long-term debt, including capital lease	(683,928)	(686,980)
Borrowings of long-term debt		1,618,325
Net cash (used in) provided by financing activities	(683,928)	965,826
Effect of exchange rate on cash and cash equivalents	(3,969)	6,836
Net decrease in cash and cash equivalents	(684,729)	(2,329,142)
Cash and cash equivalents, beginning of period	2,823,485	7,541,000
Cash and cash equivalents, end of period	2,138,756	5,211,858
Cash paid during the year for:
Interest expense	140,138	170,987
Income taxes		764,306
SUPPLEMENTAL INFORMATION - NONCASH INVESTING AND FINANCING TRANSACTIONS:
Series A Convertible Preferred Stock converted (in shares)	697,984	898,000
Common stock issued in conversion of Series A Preferred Stock (in shares)	912,400	1,173,861
Liability recorded for fair value of an interest rate swap contract in connection with a tax exempt bond	275,315	246,536
Tax on liability recorded for fair value of an interest rate swap contract in connection with a tax exempt bond	179,339	166,215
Capital lease arrangement for new office equipment	46,378
Placed equipment into service which was under construction		$ 1,143,443