INCOME TAXES (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current taxes [Abstract]
Federal	$ 1,939,831	$ 2,724,597	$ 686,968
State	17,872	25,491	12,182
Total current taxes	1,957,703	2,750,088	699,150
Deferred taxes [Abstract]
Federal	425,126	(68,296)	1,134,532
State	3,878	3,024	340,372
Total deferred taxes	429,004	(65,272)	1,474,904
Total provision for income taxes	2,386,707	2,684,816	2,174,054
Effective income tax rate differs from federal statutory tax rate [Abstract]
Statutory rate (in hundredths)	34.00%	34.00%	34.00%
State income taxes, net of federal income tax benefit (in hundredths)	0.17%	0.21%	0.16%
Stock-based compensation (in hundredths)	(0.40%)	0.11%	1.51%
Miscellaneous other, net (in hundredths)	0.17%	(0.64%)	6.51%
Increase (decrease) in valuation allowance (in hundredths)	0.00%	0.00%	0.00%
Effective tax rate (in hundredths)	33.94%	33.68%	42.18%
Deferred tax assets [Abstract]
Deferred revenues	50,722	71,062	132,514
Other	96,501	71,305	27,322
Options	931,548	1,365,409	1,413,214
Net deferred tax asset	1,078,771	1,507,776	1,573,050
Tax benefit from stock options exercised	1,900,000
Federal [Member]
Operating Loss Carryforwards [Line Items]
Federal net operating loss carryforward	$ 2,900,000