STOCKHOLDERS' EQUITY (Details Narrative) - USD ($)				1 Months Ended				3 Months Ended
	Oct. 01, 2018	Jan. 20, 2017	Jun. 02, 2016	Jan. 25, 2018	Dec. 31, 2016	Jun. 30, 2016	Apr. 30, 2013	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Common stock, authorized								50,000,000		50,000,000
Common stock, issued								16,546,196		16,512,742
Common stock,outstanding								16,145,915		16,112,461
Common stock, par value								$ 0.01		$ 0.01
Weighted average grant date fair value (in dollars per share)
Exercised								400,281
Intrinsic value of common stock warrants								$ 550,000		$ 1,609,000
Number of restricted stock granted
Stock option Granted
Weighted Average Exercise Price Stock option Granted (in dollars per share)				$ 5.55
Options, Vested in Period, Fair Value				$ 444,000
Stock options fair value				$ 3.52
Stock options unvested								229,334		229,334
Intrinsic value of Stock options								$ 337,000		$ 427,000
Unrecognized stock compensation expense								1,233,000
Reduction of stock compensation expense value forfeited								$ 0	$ 39,000
Treasury stock								33,454		33,454
Common Warrants [Member]
Number of warrant outstanding								2,438,000		2,438,000
Warrant exercise price (in dollars per share)								$ 6.75		$ 6.75
Exercised								(400,281)	(73,309)
Forfeited									(13,067)
Number of warrant granted
Warrant granted exercise price (in dollars per share)
Nonemployee Directors [Member]
Stock option Granted				80,000
Investor [Member] | Common Warrants [Member] | Placement Agent [Member]
Warrant term							5 years
Number of warrant outstanding							86,376
Warrant exercise price (in dollars per share)							$ 4.55
Percentage of offering price							110.00%
2016 Equity Incentive Plan [Member]
Number of authorized shares under the plan										397,473
2016 Equity Incentive Plan [Member] | Shares [Member]
Vesting period			4 years
Number of restricted stock granted	30,000	10,000	307,666
Initial offering price (in dollars per share)			$ 5.25
Vesting percentage			25.00%
Description of vesting rights			he restricted shares vest 25% per year over a four-year vesting period and are being recognized as expense on a straight-line basis over the vesting period of the awards.
2017 Equity Incentive Plan [Member]
Number of authorized shares under the plan										500,000
IPO [Member] | Investor [Member] | Common Warrants [Member]
Warrant term						3 years
Number of warrant granted						2,300,000
Warrant granted exercise price (in dollars per share)						$ 6.75
Date of warrants exercisable						Jun. 08, 2019
Warrant redemption price (in dollars per warrant)						$ 0.01
IPO [Member] | Underwriter's Representatives [Member] | Common Warrants [Member]
Warrant term					4 years
Number of warrant granted					138,000
Warrant granted exercise price (in dollars per share)					$ 6.75
IPO [Member] | Underwriter's Representatives [Member] | Common Warrants [Member] | Maximum [Member]
Date of warrants exercisable					Jun. 02, 2021
IPO [Member] | Underwriter's Representatives [Member] | Common Warrants [Member] | Minimum [Member]
Date of warrants exercisable					Jun. 02, 2017