CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (DEFICIT) (UNAUDITED) - USD ($)	Common Stock	Common Stock As Previously Reported [Member]	Additional Paid-in Capital	Additional Paid-in Capital As Previously Reported [Member]	Retained Earnings (Accumulated Deficit) [Member]	Retained Earnings (Accumulated Deficit) [Member] As Previously Reported [Member]	Retained Earnings (Accumulated Deficit) [Member] Restatement Adjustments [Member]	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss As Previously Reported [Member]	Total	As Previously Reported [Member]	Restatement Adjustments [Member]
Balance, beginning at Dec. 31, 2017	$ 8,864	$ 8,864	$ 53,770,617	$ 53,770,617	$ (67,049,783)	$ 20,548,652	$ (87,598,435)	$ (14,800)	$ (14,800)	$ (13,285,102)	$ 74,313,333	$ (87,598,435)
Balance, beginning (in shares) at Dec. 31, 2017	8,864,319	8,864,319
Net loss					(1,442,907)					(1,442,907)
Change in unrealized loss from interest rate swap								(5,800)		(5,800)
Common stock issued as employee compensation	$ 5		(48,006)							(48,001)
Common stock issued as employee compensation (in shares)	5,130
Stock based compensation expense	$ 55		303,885							303,940
Stock based compensation expense (in shares)	54,396
Balance, ending at Mar. 31, 2018	$ 8,924		54,026,496		(68,492,690)			(20,600)		(14,477,870)
Balance, ending (in shares) at Mar. 31, 2018	8,923,845
Balance, beginning at Dec. 31, 2017	$ 8,864	$ 8,864	53,770,617	53,770,617	(67,049,783)	20,548,652	(87,598,435)	(14,800)	$ (14,800)	(13,285,102)	74,313,333	(87,598,435)
Balance, beginning (in shares) at Dec. 31, 2017	8,864,319	8,864,319
Net loss										(3,327,013)	2,513,990	(5,841,003)
Balance, ending at Jun. 30, 2018	$ 8,938		54,276,172		(70,376,796)					(16,091,686)
Balance, ending (in shares) at Jun. 30, 2018	8,938,491
Balance, beginning at Mar. 31, 2018	$ 8,924		54,026,496		(68,492,690)			(20,600)		(14,477,870)
Balance, beginning (in shares) at Mar. 31, 2018	8,923,845
Net loss					(1,884,106)					(1,884,106)	1,257,225
Change in unrealized loss from interest rate swap								$ 20,600		20,600
Common stock issued as employee compensation			93,914							93,914
Stock based compensation expense	$ 14		155,762							155,776
Stock based compensation expense (in shares)	14,646
Balance, ending at Jun. 30, 2018	$ 8,938		54,276,172		(70,376,796)					(16,091,686)
Balance, ending (in shares) at Jun. 30, 2018	8,938,491
Balance, beginning at Dec. 31, 2018	$ 11,718	$ 11,718	70,651,413	70,651,413	(74,596,536)	22,760,215	(97,356,751)			(3,933,405)	93,423,346	(97,356,751)
Balance, beginning (in shares) at Dec. 31, 2018	11,718,246	11,718,246
Net loss					(934,716)					(934,716)
Costs related to stock offering			(64,371)							(64,371)
Common stock issued upon exercise of options (in shares)	521
Stock based compensation expense	$ 18		330,769							330,787
Stock based compensation expense (in shares)	17,619
Balance, ending at Mar. 31, 2019	$ 11,736		70,917,811		(75,531,252)					(4,601,705)
Balance, ending (in shares) at Mar. 31, 2019	11,736,386
Balance, beginning at Dec. 31, 2018	$ 11,718	$ 11,718	70,651,413	$ 70,651,413	(74,596,536)	$ 22,760,215	$ (97,356,751)			(3,933,405)	93,423,346	(97,356,751)
Balance, beginning (in shares) at Dec. 31, 2018	11,718,246	11,718,246
Net loss										(1,815,883)	4,369,055	$ (6,184,938)
Balance, ending at Jun. 30, 2019	$ 11,820		71,104,418		(76,412,419)					(5,296,181)	98,245,508
Balance, ending (in shares) at Jun. 30, 2019	11,820,390
Balance, beginning at Mar. 31, 2019	$ 11,736		70,917,811		(75,531,252)					(4,601,705)
Balance, beginning (in shares) at Mar. 31, 2019	11,736,386
Net loss					(881,167)					(881,167)	2,710,457
Common stock issued as employee compensation	$ 5		32,319							32,324
Common stock issued as employee compensation (in shares)	4,950
Costs related to stock offering			(55,200)							(55,200)
Stock based compensation expense	$ 79		209,488							209,567
Stock based compensation expense (in shares)	79,054
Balance, ending at Jun. 30, 2019	$ 11,820		$ 71,104,418		$ (76,412,419)					$ (5,296,181)	$ 98,245,508
Balance, ending (in shares) at Jun. 30, 2019	11,820,390