STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIENCY (Unaudited) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Preferred C stocks [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at Beginning		$ 2
Balance at Beginning (in shares)		2,483,142
Stock-based compensation related to options granted to employees
Balance at End	$ 2	$ 2
Balance at End (in shares)	2,483,142	2,483,142
Preferred D stocks [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at Beginning		$ 0
Balance at Beginning (in shares)		304
Stock-based compensation related to options granted to employees
Balance at End	$ 0	$ 0
Balance at End (in shares)	304	304
Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at Beginning		$ 4
Balance at Beginning (in shares)		3,935,865
Stock-based compensation related to options granted to employees
Exercise of Warrants		31,195
Net loss
Balance at End	$ 4	$ 4
Balance at End (in shares)	3,967,060	3,967,060
Additional Paid-In Capital [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at Beginning		$ 32,010
Stock-based compensation related to options granted to employees		666
Exercise of Warrants		43
Net loss
Balance at End	$ 32,719	32,719
Accumulated deficit [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at Beginning		(28,382)
Stock-based compensation related to options granted to employees
Net loss		(2,957)
Balance at End	(31,339)	(31,339)
Balance at Beginning		3,634
Stock-based compensation related to options granted to employees		666
Exercise of Warrants		43
Net loss	(1,344)	(2,957)
Balance at End	$ 1,386	$ 1,386