Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 2,848,564	$ 3,136,063
Investment securities, available-for-sale, at fair value	981,524	915,341
Accounts receivable, net
Trade - billed (less allowance for doubtful accounts of $292,541 and $285,305)	6,548,374	7,296,792
Trade - unbilled	206,025	41,859
Inventories
Raw materials	412,953	861,129
Finished goods	1,115,530	1,078,349
Prepaid expenses and other assets	175,170	231,365
Refundable income taxes	276,288	0
Deferred taxes	473,000	475,000
Total current assets	13,037,428	14,035,898
Property and equipment, net	4,228,425	4,322,995
Other assets	264,807	297,915
Total assets	17,530,660	18,656,808
Current liabilities
Accounts payable - trade	1,400,962	1,517,625
Accrued expenses and other liabilities	1,277,024	1,331,675
Current maturities of notes payable	0	302,263
Income taxes payable	373,347	364,204
Customer deposits	343,908	547,789
Total current liabilities	3,395,241	4,063,556
Notes payable - less current maturities	2,406,018	2,544,809
Deferred tax liability	581,000	630,000
Total liabilities	6,382,259	7,238,365
Commitments and contingencies	0	0
Stockholders’ equity
Preferred stock, $.01 par value; authorized 1,000,000 shares, none outstanding	0	0
Common stock, $.01 par value; authorized 8,000,000 shares; 4,881,548 issued and outstanding	48,815	48,815
Additional paid-in capital	5,041,438	5,041,438
Accumulated other comprehensive loss, net	(12,501)	(41,014)
Retained earnings	6,172,949	6,471,504
Stockholders' Equity before Treasury Stock	11,250,701	11,520,743
Treasury stock, at cost, 40,920 shares	(102,300)	(102,300)
Total stockholders’ equity	11,148,401	11,418,443
Total liabilities and stockholders' equity	$ 17,530,660	$ 18,656,808