CONSOLIDATED BALANCE SHEETS (Unaudited Consolidated Condensed) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 9	$ 9
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized	24,088	24,088
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized	42,000,000	42,000,000
Common stock, issued	38,100,792	33,911,792
Common stock, outstanding	38,100,792	33,911,792