Consolidated Balance Sheets (USD $)	Dec. 31, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 3,572,405	$ 3,136,063
Investment securities, available-for-sale, at fair value	1,013,417	915,341
Accounts receivable, net
Trade - billed, (less allowance for doubtful accounts of $267,985 and $285,305)	4,092,924	7,296,792
Trade - unbilled	240,635	41,859
Inventories, net
Raw materials	353,089	861,129
Finished goods	1,373,455	1,078,349
Prepaid expenses and other assets	126,047	231,365
Prepaid income taxes	722,948	0
Deferred taxes	441,000	475,000
Total current assets	11,935,920	14,035,898
Property and equipment, net	4,106,611	4,322,995
Other assets	255,385	297,915
Total assets	16,297,916	18,656,808
Current liabilities
Accounts payable - trade	1,152,506	1,517,625
Accrued expenses and other liabilities	539,549	927,829
Accrued compensation	442,651	403,846
Income taxes payable	0	302,263
Current maturities of note payable	363,821	364,204
Customer deposits	432,274	547,789
Total current liabilities	2,930,801	4,063,556
Notes payable - less current maturities	2,230,364	2,544,809
Deferred tax liability	663,000	630,000
Total liabilities	5,824,165	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	48,815	48,815
Additional paid-in capital	5,041,438	5,041,438
Accumulated other comprehensive loss	(6,629)	(41,014)
Retained earnings	5,492,427	6,471,504
Stockholders' Equity before Treasury Stock	10,576,051	11,520,743
Treasury stock, at cost, 40,920 shares	(102,300)	(102,300)
Total stockholders’ equity	10,473,751	11,418,443
Total liabilities and stockholders' equity	$ 16,297,916	$ 18,656,808