CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income	$ 245,067	$ 375,177
Adjustments to reconcile net income to net cash provided by operating activities
Stock compensation expense	273,208	188,530
Provision for doubtful accounts and sales returns	60,970	1,350
Depreciation and amortization	370,347	327,596
Deferred income taxes	(113,132)	(21,562)
Net (increase) decrease in costs in excess of billings	184,105	(325,567)
(Increase) decrease in:
Accounts receivable	(1,650,115)	(490,491)
Inventories	272,350	(206,597)
Prepaid expenses and other current assets	162,043	13,111
Increase (decrease) in:
Accounts payable and accrued expenses	(484,930)	(712,403)
Income taxes payable	(100,039)	(69,569)
Net cash used in operating activities	(780,126)	(920,425)
Cash flows from investing activities:
Purchases of property, plant and equipment	(405,341)	(124,124)
Net cash used in investing activities	(405,341)	(124,124)
Cash flows from financing activities
Issuance of common stock	15,133	83,159
Repayment of long term debt	(475,159)	(465,036)
Preferred stock dividends paid	0	(46,375)
Net cash used in financing activities	(460,026)	(428,252)
Effect of exchange rates on cash and cash equivalents	(96,923)	(14,976)
Net decrease in cash and cash equivalents	(1,742,416)	(1,487,777)
Cash and cash equivalents, beginning	4,479,840	4,111,966
Cash and cash equivalents, ending	$ 2,737,424	$ 2,624,189