CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized	250,000,000	250,000,000
Common stock, issued	47,257,000	38,424,000
Common stock, outstanding	47,257,000	38,424,000
Preferred stock, Series A
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Preferred stock, authorized	200,000	200,000
Preferred stock, Undesignated series
Preferred stock, authorized	51,700,000	51,700,000
Series B Preferred Stock
Preferred stock, shares issued	8,065,000	8,065,000
Preferred stock, shares outstanding	8,065,000	8,065,000
Preferred stock, authorized	8,100,000	8,100,000