Consolidated Statement of Changes in Stockholders' Equity - 6 months ended Jun. 30, 2017 - USD ($)	Total	Common Shares	Paid in Capital	Retained Earnings (Deficit)
Balance at Dec. 31, 2016	$ 97,179,916	$ 225,443	$ 107,668,599	$ (10,714,126)
Balance, shares at Dec. 31, 2016		11,272,150
Cumulative effect change in accounting principle (as described in Note 2) at Dec. 31, 2016	646,031	$ 0	(27,830)	673,861
Adjusted balance at Dec. 31, 2016	97,825,947	225,443	107,640,769	(10,040,265)
Shares issued for vested employee restricted stock units	0	$ 1,771	(1,771)	0
Shares issued for vested employee restricted stock units, shares		88,543
Shares issued for option exercises	$ 2,935,000	$ 5,700	2,929,300	0
Shares issued for option exercises, shares	285,000	285,000
Stock based compensation, net	$ 1,110,480	$ 0	1,110,480	0
Dividends	(3,942,474)	0	0	(3,942,474)
Stock repurchases	$ (2,536,955)	$ (2,664)	(2,534,291)	0
Stock repurchases, shares	(133,208)	(133,208)
Net income	$ 932,385	$ 0	0	932,385
Balance at Jun. 30, 2017	$ 96,324,383	$ 230,250	$ 109,144,487	$ (13,050,354)
Balance, shares at Jun. 30, 2017		11,512,485