Condensed Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Reconciliation of net income (loss) to cash provided (absorbed) by operating activities
Net income (loss)	$ 984,686	$ (27,452)
Adjustments to reconcile net income to net cash provided (absorbed) by operating activities:
Depreciation and amortization	525,252	537,832
Stock option compensation expense	0	17,043
Gain on disposal of fixed assets	(82,065)	(22,470)
Deferred taxes	(227,000)	(35,000)
(Increase) decrease in:
Accounts receivable - billed	19,630	163,329
Accounts receivable - unbilled	(824,538)	383,739
Inventories	199,393	(407,716)
Prepaid taxes and other assets	654,365	(109,763)
Increase (decrease) in:
Accounts payable - trade	346,624	(411,189)
Accrued expenses and other	303,146	(920,560)
Increase (Decrease) in Income Taxes Payable	106,845	0
Customer deposits	(622,892)	382,993
Net cash provided (absorbed) by operating activities	1,383,446	(449,214)
Cash flows from investing activities:
Purchases of property and equipment	(50,940)	(339,950)
Proceeds from sale of fixed assets	64,397	21,614
Net cash absorbed by investing activities	13,457	(318,336)
Cash flows from financing activities:
Proceeds from long-term borrowings	0	575,000
Repayments of long-term borrowings and capital leases	(332,325)	(310,519)
Proceeds from options exercised	0	105,118
Net cash provided (absorbed) by financing activities	(332,325)	369,599
Net increase (decrease) in cash and cash equivalents	1,064,578	(397,951)
Cash and cash equivalents
Beginning of period	2,130,686	2,573,168
End of period	$ 3,195,264	$ 2,175,217