Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Unaudited) (Parenthetical)

v3.22.1
Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Allowance for accounts receivable $ 2,236 $ 2,154
Series G Preferred stock, shares authorized 1,000,000  
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 0
Series F Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 180,000,000 180,000,000
Common stock, shares issued 6,176,000 6,174,000
Common stock, shares outstanding 6,149,000 6,147,000
Series G Convertible Preferred Stock    
Temporary equity, par value $ 0.001 $ 0.001
Series G Preferred stock, shares authorized 180,000 180,000
Series G Preferred stock, shares issued 154,000 154,000
Series G Preferred stock, shares outstanding 154,000 154,000