Condensed Consolidated Statements of Changes in Stockholders' (Deficit) Equity (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2019		$ 414	$ 417,315	$ (414,502)	$ 3,227
Balance, shares at Dec. 31, 2019	115	413,701,289
Stock based compensation - employee restricted stock			220		220
Common stock issued on conversion of notes payable		$ 33	317		350
Common stock issued on conversion of notes payable, shares		32,747,157
Net loss				(1,324)	(1,324)
Balance at Mar. 31, 2020		$ 447	417,852	(415,826)	2,473
Balance, shares at Mar. 31, 2020	115	446,448,446
Balance at Dec. 31, 2020		$ 507	418,373	(418,389)	491
Balance, shares at Dec. 31, 2020	115	506,779,781
Stock based compensation - employee restricted stock
Common stock issued on conversion of Preferred C shares		$ 30	(30)
Common stock issued on conversion of Preferred C shares, shares	(115)	29,870,130
Beneficial conversion feature			1,000		1,000
Net loss				(581)	(581)
Balance at Mar. 31, 2021		$ 537	$ 419,343	$ (418,970)	$ 910
Balance, shares at Mar. 31, 2021		536,649,911