EARNINGS (LOSS) PER SHARE (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Mar. 07, 2017
Convertible Debt [Abstract]
Issuance of common stock upon exercise of Equity Awards (in shares)			0	0
Numerator for basic and diluted income (loss) per share [Abstract]
Net income (loss) attributable to common stockholders	$ (65,466)	$ 3,883,015	$ (3,393,944)	$ 389,488
Numerator for diluted income (loss) per share [Abstract]
Net income (loss) attributable to common stockholders - as reported	(65,466)	3,883,015	(3,393,944)	389,488
Interest expense on 2017 Notes, net of taxes	0	25,000	0	25,000
Net income (loss) attributable to common stockholders - after assumed conversions of dilutive shares	$ (65,466)	$ 3,908,015	$ (3,393,944)	$ 414,488
Denominator for weighted average common shares outstanding [Abstract]
Basic shares (in shares)	53,776,825	21,657,181	49,984,757	19,683,610
Dilutive effect of Equity Awards (in shares)	0	2,080,654	0	946,532
Dilutive effect of 2017 Notes (in shares)	0	446,429	0	0
Diluted shares (in shares)	53,776,825	24,184,264	49,984,757	20,630,142
Income (loss) per share - basic: [Abstract]
Net income (loss) (in dollars per share)	$ (0.001)	$ 0.18	$ (0.07)	$ 0.02
Income (loss) per share - diluted: [Abstract]
Net income (loss) (in dollars per share)	$ (0.001)	$ 0.16	$ (0.07)	$ 0.02
8% Convertible Unsecured Promissory Notes [Member]
Convertible Debt [Abstract]
Stated interest rate					8.00%