Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.23.1
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
Mar. 31, 2023
Dec. 31, 2022
Allowance for credit loss $ 716,000 $ 4,603,000
Undesignated preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Undesignated preferred stock, authorized (in shares) 32,659,235 32,659,235
Undesignated preferred stock, issued (in shares) 0 0
Undesignated preferred stock, outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, authorized (in shares) 700,000,000 700,000,000
Common stock, issued (in shares) 348,126,911 341,474,728
Common stock, outstanding (in shares) 348,126,911 341,474,728
Series B Convertible Preferred Stock    
Convertible preferred stock, par value (dollars per share) $ 0.001 $ 0.001
Convertible preferred stock, authorized (in shares) 4,908,333 4,908,333
Convertible preferred stock, issued (in shares) 4,908,333 4,908,333
Convertible preferred stock, outstanding (in shares) 4,908,333 4,908,333
Series C Convertible Preferred Stock    
Convertible preferred stock, par value (dollars per share) $ 0.001 $ 0.001
Convertible preferred stock, authorized (in shares) 12,432,432 12,432,432
Convertible preferred stock, issued (in shares) 6,216,216 6,216,216
Convertible preferred stock, outstanding (in shares) 6,216,216 6,216,216