INCOME TAXES (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current taxes [Abstract]
Federal	$ 8,571,034	$ 4,428,344	$ 1,939,830
State	98,881	49,185	17,872
Total current taxes	8,669,915	4,477,529	1,957,702
Deferred taxes [Abstract]
Federal	(2,647,363)	452,761	425,127
State	(19,787)	3,038	3,878
Total deferred taxes	(2,667,150)	455,799	429,005
Total provision for income taxes	$ 6,002,765	$ 4,933,328	$ 2,386,707
Effective income tax rate differs from federal statutory tax rate [Abstract]
Statutory rate	35.00%	34.00%	34.00%
State income taxes, net of federal income tax benefit	0.26%	0.25%	0.17%
Stock-based compensation	(0.50%)	(0.46%)	(0.40%)
Miscellaneous other, net	(0.21%)	0.11%	0.17%
Effective tax rate	34.55%	33.90%	33.94%
Deferred tax assets [Abstract]
Deferred revenue	$ 2,643,678	$ 33,823
Stock option based compensation	536,065	490,405
Other	110,379	98,744
Net deferred tax asset	3,290,122	622,972
Tax benefit from stock options exercised	300,000
Income Tax Contingency [Line Items]
Uncertain tax positions	0	$ 0
Interest and penalties	$ 0
Tax Year 2013 [Member]
Income Tax Contingency [Line Items]
Open tax years	2013
Tax Year 2014 [Member]
Income Tax Contingency [Line Items]
Open tax years	2014
Tax Year 2015 [Member]
Income Tax Contingency [Line Items]
Open tax years	2015
Tax Year 2016 [Member]
Income Tax Contingency [Line Items]
Open tax years	2016