Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Reconciliation of net income to cash provided by operating activities
Net income (loss)	$ (328,536)	$ 309,071
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	151,319	159,844
Gain on disposal of fixed assets	(11,977)	(7,157)
Deferred taxes	20,000	11,000
(Increase) decrease in:
Accounts receivable - billed	993,024	(1,115,048)
Accounts receivable - unbilled	(236,059)	15,748
Inventories	74,801	125,422
Prepaid expenses and other assets	(376,852)	124,617
Prepaid income taxes	97,370	0
Increase (decrease) in:
Accounts payable - trade	(111,693)	42,813
Accrued expenses and other	(217,846)	(242,980)
Accrued income taxes payable	(302,263)	189,602
Customer deposits	181,740	81,815
Net cash absorbed by operating activities	(66,972)	(305,253)
Cash flows from investing activities:
Purchases of investment securities available-for-sale	(21,010)	(1,998,922)
Purchases of property and equipment	(139,994)	(112,668)
Proceeds from sale of fixed assets	13,141	7,144
Net cash absorbed by investing activities	(147,863)	(2,104,446)
Cash flows from financing activities:
Proceeds from long-term borrowings	55,159	42,814
Repayments of long-term borrowings	(92,555)	(86,023)
Net cash absorbed by financing activities	(37,396)	(43,209)
Net decrease in cash and cash equivalents	(252,231)	(2,452,908)
Cash and cash equivalents
Beginning of period	3,136,063	4,367,474
End of period	$ 2,883,832	$ 1,914,566