CONDENSED STATEMENTS OF PREFERRED STOCK AND STOCKHOLDERS’ DEFICIT - USD ($) $ in Thousands	Preferred Stock Series A Preferred Stock	Preferred Stock Series B Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Series A Preferred Stock	Series B Preferred Stock	Total
Balance at the beginning at Dec. 31, 2017			$ 11	$ 75	$ (24,498)			$ (24,412)
Balance at the beginning (in shares) at Dec. 31, 2017			1,369,212
Balance at the beginning at Dec. 31, 2017	$ 40,000
Balance at the beginning (in shares) at Dec. 31, 2017	40,000,000
Increase (Decrease) in Stockholders' Deficit
Stock based compensation				24				24
Net loss					(4,996)			(4,996)
Balance at the end at Mar. 31, 2018			$ 11	99	(29,494)			(29,384)
Balance at the end (in shares) at Mar. 31, 2018			1,369,212
Balance at the end at Mar. 31, 2018	$ 40,000
Balance at the end (in shares) at Mar. 31, 2018	40,000,000
Balance at the beginning at Dec. 31, 2018			$ 11	342	(47,297)			$ (46,944)
Balance at the beginning (in shares) at Dec. 31, 2018			1,374,812					1,374,812
Balance at the beginning at Dec. 31, 2018	$ 71,000	$ 91,223				$ 71,000	$ 91,223	$ 162,223
Balance at the beginning (in shares) at Dec. 31, 2018	68,181,819	56,828,851
Increase (Decrease) in Stockholders' Deficit
Stock based compensation				383				383
Issuance of common stock				4				4
Issuance of common stock (in shares)			4,697
Net loss					(6,155)			(6,155)
Balance at the end at Mar. 31, 2019			$ 11	$ 729	$ (53,452)			$ (52,712)
Balance at the end (in shares) at Mar. 31, 2019			1,379,509					1,374,812
Balance at the end at Mar. 31, 2019	$ 71,000	$ 91,223				$ 71,000	$ 91,223	$ 162,223
Balance at the end (in shares) at Mar. 31, 2019	68,181,819	56,828,851