Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Preferred Shares Series A1	Preferred Shares Series A2	Common Shares	Additional Paid-in Capital	Accumulated Earnings (Deficit)
Beginning balances at Dec. 31, 2019	$ 10,252	$ 7,546		$ 5,122	$ 2,300	$ (4,716)
Beginning balances, Shares at Dec. 31, 2019		2,105,264		151,681,382
Issuance of Series A2 preferred shares	74,662		$ 74,662
Issuance of Series A2 preferred shares, Shares			6,017,784
Shares issued under stock option plan	124			$ 235	(111)
Shares issued under stock option plan, Shares				535,000
Stock-based compensation expense	744				744
Net earnings (loss)	(2,093)					(2,093)
Ending balances at Mar. 31, 2020	83,689	$ 7,546	$ 74,662	$ 5,357	2,933	(6,809)
Ending balances, Shares at Mar. 31, 2020		2,105,264	6,017,784	152,216,382
Beginning balances at Dec. 31, 2020	830,508			$ 710,387	5,919	114,202
Beginning balances, Shares at Dec. 31, 2020				269,497,768
Shares issued under stock option plan	173			$ 752	(579)
Shares issued under stock option plan, Shares				1,428,162
Stock-based compensation expense	4,021				4,021
Reclassification of liability classified options	5,201				5,201
Net earnings (loss)	117,221					117,221
Ending balances at Mar. 31, 2021	$ 957,124			$ 711,139	$ 14,562	$ 231,423
Ending balances, Shares at Mar. 31, 2021				270,925,930