CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings (Accumulated deficit)
Beginning balance (in shares) at Dec. 31, 2017		32,878,000
Beginning balance, amount at Dec. 31, 2017	$ 22,032	$ 33	$ 50,495	$ (28,496)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation - as Restated	372		372
Net loss	(935)			(935)
Ending balance (in shares) at Mar. 31, 2018		32,878,000
Ending balance, amount at Mar. 31, 2018	21,469	$ 33	50,867	(29,431)
Beginning balance (in shares) at Dec. 31, 2018		33,705,000
Beginning balance, amount at Dec. 31, 2018	87,177	$ 34	52,920	34,223
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Options exercised (in shares)		271,000
Options exercised	777		777
Stock based compensation - as Restated	1,195		1,195
Stock exercise to acquire options and warrants (in shares)		(85,000)
Stock exercise to acquire options and warrants	(710)		(710)
Net loss	(5,608)			(5,608)
Ending balance (in shares) at Mar. 31, 2019		33,891,000
Ending balance, amount at Mar. 31, 2019	$ 82,831	$ 34	$ 54,182	$ 28,615