Consolidated Balance Sheets - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 1,735,621	$ 3,572,405
Investment securities, available-for-sale, at fair value	1,041,790	1,013,417
Accounts receivable, net
Trade - billed, (less allowance for doubtful accounts of $375,919 and $267,985)	6,795,215	4,092,924
Trade - unbilled	197,363	240,635
Inventories, net
Raw materials	724,143	353,089
Finished goods	1,770,141	1,373,455
Prepaid expenses and other assets	194,429	126,047
Prepaid income taxes	383,820	722,948
Deferred taxes	665,000	441,000
Total current assets	13,507,522	11,935,920
Property and equipment, net	5,073,867	4,106,611
Other assets	268,721	255,385
Total assets	18,850,110	16,297,916
Current liabilities
Accounts payable - trade	1,743,945	1,152,506
Accrued expenses and other liabilities	974,785	539,549
Accrued compensation	449,723	442,651
Current maturities of note payable	435,717	363,821
Customer deposits	923,943	432,274
Total current liabilities	4,528,113	2,930,801
Notes payable - less current maturities	2,076,675	2,230,364
Deferred tax liability	855,000	663,000
Total liabilities	7,459,788	5,824,165
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; 4,919,548 and 4,881,548 issued and outstanding, respectively	49,195	48,815
Additional paid-in capital	5,110,398	5,041,438
Accumulated other comprehensive loss	(9,357)	(6,629)
Retained earnings	6,342,386	5,492,427
Stockholders' Equity before Treasury Stock	11,492,622	10,576,051
Treasury stock, at cost, 40,920 shares	(102,300)	(102,300)
Total stockholders’ equity	11,390,322	10,473,751
Total liabilities and stockholders' equity	$ 18,850,110	$ 16,297,916