Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.22.0.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Statement Of Financial Position [Abstract]    
Allowance for accounts receivable $ 2,154 $ 4,017
Common stock, par value $ 0.001 $ 0.001
Series F Preferred stock, par value $ 0.001 $ 0.001
Series F Preferred stock, shares authorized 18,000 18,000
Series F Preferred stock, shares issued 0 1,000
Series F Preferred stock, shares outstanding 0 1,000
Common stock, shares authorized 180,000,000 180,000,000
Common stock, shares issued 153,721,000 97,709,000
Common stock, shares outstanding 153,676,000 97,663,000