INCOME TAXES (Details 1) - USD ($)	12 Months Ended
	Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Rate Reconciliation
Tax at federal statutory rate (34%)	$ 4,194,556		$ (19,592,592)		$ (4,779,205)
Non-deductible expenses	6,158		2,558		6,599
Excess tax benefit from stock option exercises	(453,217)		15,055		(89,597)
Adjust prior estimates to tax return	(58,766)		167,526		0
States taxes, net of Federal benefit	124,200		(580,132)		(141,510)
Effect of departure from State of Kansas	(350,059)	[1]	0	[1]	0
Adjustment for change in future effective tax rate	6,953,299	[1]	0	[1]	0
Provision for (Benefit from) Income Taxes	$ 10,416,171		$ (19,987,585)		$ (5,003,713)

[1] The enactment of the Tax Cuts and Jobs Act provided for a decrease in the corporate tax rate to 21% from 35%, resulting in a net $6.95 million reduction to our net deferred tax asset as of December 31, 2017.