Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 2,203,813	$ 4,367,474
Investment securities, available-for-sale, at fair value	908,756	0
Accounts receivable, net
Trade - billed (less allowance for doubtful accounts of $240,835 and $230,749)	7,374,890	4,752,729
Trade - unbilled	266,327	356,525
Inventories
Raw materials	793,402	472,149
Finished goods	1,091,770	1,631,957
Prepaid expenses and other assets	220,780	287,002
Refundable income taxes	0	173,155
Deferred taxes	507,000	438,000
Total current assets	13,366,738	12,478,991
Property and equipment, net	4,119,340	4,049,478
Other assets	306,841	289,335
Total assets	17,792,919	16,817,804
Current liabilities
Accounts payable - trade	1,012,837	922,091
Accrued expenses and other liabilities	1,109,006	1,140,234
Current maturities of notes payable	334,381	329,529
Income taxes payable	183,332	0
Customer deposits	818,684	204,991
Total current liabilities	3,458,240	2,596,845
Notes payable - less current maturities	2,502,855	2,661,228
Deferred tax liability	623,000	694,000
Total liabilities	6,584,095	5,952,073
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; 4,845,882 and 4,826,182 issued and outstanding, respectively	48,459	48,262
Additional paid-in capital	5,011,812	4,995,278
Accumulated other comprehensive loss	(38,046)	0
Retained earnings	6,288,899	5,924,491
Stockholders' Equity before Treasury Stock	11,311,124	10,968,031
Treasury stock, at cost, 40,920 shares	(102,300)	(102,300)
Total stockholders’ equity	11,208,824	10,865,731
Total liabilities and stockholders' equity	$ 17,792,919	$ 16,817,804