Condensed Consolidated Balance Sheets (USD $)	Mar. 31, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 1,914,566	$ 4,367,474
Investment securities, available-for-sale, at fair value	1,998,922	0
Accounts receivable
Trade - billed (less allowance for doubtful accounts of $267,238 and $233,851)	5,867,777	4,752,729
Trade - unbilled	340,777	356,525
Inventories
Raw materials	635,925	472,149
Finished goods	1,342,759	1,631,957
Prepaid expenses and other assets	146,822	287,002
Prepaid income taxes	0	173,155
Deferred taxes	400,000	438,000
Total current assets	12,647,548	12,478,991
Property and equipment, net	4,002,315	4,049,478
Total other assets	304,899	289,335
Total assets	16,954,762	16,817,804
Current liabilities
Accounts payable - trade	964,903	922,091
Accrued expenses and other liabilities	903,633	1,140,234
Accrued Income Taxes, Current	16,447	0
Current maturities of notes payable	335,199	329,529
Customer deposits	286,807	204,991
Total current liabilities	2,506,989	2,596,845
Notes payable - less current maturities	2,612,350	2,661,228
Deferred tax liability	667,000	694,000
Total liabilities	5,786,339	5,952,073
Commitments and contingencies		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; 4,826,182 issued and outstanding	48,262	48,262
Additional paid-in capital	4,995,278	4,995,278
Retained earnings	6,233,561	5,924,491
Accumulated other comprehensive loss	(6,378)	0
Stockholders' Equity before Treasury Stock	11,270,723	10,968,031
Treasury stock, at cost, 40,920 shares	(102,300)	(102,300)
Total stockholders’ equity	11,168,423	10,865,731
Total liabilities and stockholders' equity	$ 16,954,762	$ 16,817,804