Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 2,883,832	$ 3,136,063
Investment securities, available-for-sale, at fair value	952,068	915,341
Accounts receivable, net
Trade - billed (less allowance for doubtful accounts of $271,737 and $285,305)	6,303,768	7,296,792
Trade - unbilled	277,918	41,859
Inventories
Raw materials	614,013	861,129
Finished goods	1,250,663	1,078,349
Prepaid expenses and other assets	155,885	231,365
Refundable income taxes	376,852	0
Deferred taxes	433,000	475,000
Total current assets	13,247,999	14,035,898
Property and equipment, net	4,311,670	4,322,995
Other assets	276,026	297,915
Total assets	17,835,695	18,656,808
Current liabilities
Accounts payable - trade	1,405,931	1,517,625
Accrued expenses and other liabilities	1,113,829	1,331,675
Income taxes payable	0	302,263
Current maturities of notes payable	375,411	364,204
Customer deposits	729,529	547,789
Total current liabilities	3,624,700	4,063,556
Notes payable - less current maturities	2,496,206	2,544,809
Deferred tax liability	608,000	630,000
Total liabilities	6,728,906	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	(24,132)	(41,014)
Retained earnings	6,142,968	6,471,504
Stockholders' Equity before Treasury Stock	11,209,089	11,520,743
Treasury stock, at cost, 40,920 shares	(102,300)	(102,300)
Total stockholders’ equity	11,106,789	11,418,443
Total liabilities and stockholders' equity	$ 17,835,695	$ 18,656,808