Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 945,335	$ 1,735,621
Investment securities, available-for-sale, at fair value	1,080,570	1,041,790
Accounts receivable, net
Trade - billed (less allowance for doubtful accounts of $312,101 and $345,118)	9,978,089	6,795,215
Trade - unbilled	294,798	197,363
Inventories
Raw materials	773,427	724,143
Finished goods	1,734,153	1,770,141
Prepaid expenses and other assets	390,888	194,429
Refundable income taxes	28,223	383,820
Deferred taxes	668,000	665,000
Total current assets	15,893,483	13,507,522
Property and equipment, net	7,793,638	5,073,867
Other assets	182,970	268,721
Total assets	23,870,091	18,850,110
Current liabilities
Accounts payable - trade	2,010,714	1,743,945
Accrued expenses and other liabilities	1,412,440	974,785
Accrued compensation	648,872	449,723
Line of credit	352,022	0
Income taxes payable	637,173	435,717
Customer deposits	1,119,742	923,943
Total current liabilities	6,180,963	4,528,113
Notes payable - less current maturities	3,100,161	2,076,675
Deferred tax liability	1,123,000	855,000
Total liabilities	10,404,124	7,459,788
Commitments and contingencies	0	0
Stockholders’ equity
Preferred stock, $.01 par value; authorized 1,000,000 shares, none issued and outstanding	0	0
Common stock, $.01 par value; authorized 8,000,000 shares; 4,959,548 and 4,919,548 issued and 4,919,628 and 4,878,628 outstanding, respectively	49,595	49,195
Additional paid-in capital	5,158,398	5,110,398
Treasury stock, at cost, 40,920 shares	(102,300)	(102,300)
Accumulated other comprehensive loss, net	(2,567)	(9,357)
Retained earnings	8,362,841	6,342,386
Total stockholders’ equity	13,465,967	11,390,322
Total liabilities and stockholders' equity	$ 23,870,091	$ 18,850,110