Annual report pursuant to Section 13 and 15(d)

INCOME TAXES (Details 1)

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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.