Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Reconciliation of net income to cash provided by operating activities
Net income	$ 358,065	$ 984,686
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	478,323	525,252
Gain on disposal of fixed assets	(29,247)	(82,065)
Realized loss on investment securities available-for-sale	68,631	0
Deferred taxes	(140,000)	(227,000)
(Increase) decrease in:
Accounts receivable - billed	(2,622,161)	19,630
Accounts receivable - unbilled	90,198	(824,538)
Inventories	218,934	199,393
Prepaid expenses and other assets	48,717	654,365
Prepaid income taxes	173,155	0
Increase (decrease) in:
Accounts payable - trade	90,746	346,624
Accrued expenses and other	(31,210)	303,146
Accrued income taxes payable	183,332	106,845
Customer deposits	613,693	(622,892)
Net cash provided (absorbed) by operating activities	(498,824)	1,383,446
Cash flows from investing activities:
Purchases of investment securities available-for-sale	(2,009,110)	0
Sale of investment securities available-for-sale	1,000,000	0
Purchases of property and equipment	(548,337)	(50,940)
Proceeds from sale of fixed assets	29,405	64,397
Net cash provided (absorbed) by investing activities	(1,528,042)	13,457
Cash flows from financing activities:
Proceeds from long-term borrowings	2,139,339	0
Repayments of long-term borrowings	(2,292,865)	(332,325)
Proceeds from options exercised	16,731	0
Net cash absorbed by financing activities	(136,795)	(332,325)
Net increase (decrease) in cash and cash equivalents	(2,163,661)	1,064,578
Cash and cash equivalents
Beginning of period	4,367,474	2,130,686
End of period	$ 2,203,813	$ 3,195,264