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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Noncontrolling Interest [Member]
Parent [Member]
Total
Balance at Dec. 31, 2018 $ 3 [1] $ (24,000) $ 218,182 $ (127,601) $ (15,847) $ 912 $ 51,649 $ 50,737 [1]
Balance (in Shares) at Dec. 31, 2018 [1] 2,917              
Stock-based compensation expense     2,868       2,868 2,868 [1]
Stock-based compensation expense (in Shares) [1] 355              
Common stock issuance $ 1 [1]   4,213       4,214 4,214 [1]
Common stock issuance (in Shares) [1] 585              
Treasury shares retirement   $ 24,000 (24,000)          
Treasury shares retirement (in Shares) [1] (311)              
Retirement of restricted stock (in Shares) [1] (6)              
Repurchase of common stock for employee tax withholding     (273)       (273) (273) [1]
Repurchase of common stock for employee tax withholding (in Shares) [1] (19)              
Preferred stock accrued dividends     (483)       (483) (483) [1]
Net income (loss)       (55,548)   169 (55,379) (55,548) [1]
Foreign currency translation adjustment         1,425   1,425 1,425 [1]
Balance at Dec. 31, 2019 $ 4 [1]   200,507 (183,149) (14,422) 1,081 4,021 2,940 [1]
Balance (in Shares) at Dec. 31, 2019 [1] 3,521              
Stock-based compensation expense     2,303       2,303 2,303 [1]
Stock-based compensation expense (in Shares) [1] 64              
Conversion of convertible senior notes $ 2 [1]   20,210       20,212 20,212 [1]
Conversion of convertible senior notes (in Shares) [1] 2,127              
Repurchase of common stock for employee tax withholding     (174)       (174) (174) [1]
Repurchase of common stock for employee tax withholding (in Shares) [1] (17)              
Preferred stock accrued dividends     (1,257)       (1,257) (1,257) [1]
Net income (loss)       (14,274)   130 (14,144) (14,274) [1]
Foreign currency translation adjustment         1,976   1,976 1,976 [1]
Adjustment to additional paid-in capital     1       1 1 [1]
Balance at Dec. 31, 2020 $ 6 [1]   221,590 (197,423) (12,446) 1,211 12,938 11,727 [1],[2]
Balance (in Shares) at Dec. 31, 2020 [1] 5,695              
Stock-based compensation expense     2,093       2,093 2,093 [1]
Stock-based compensation expense (in Shares) [1] 43              
RSA to RSU conversion (in Shares) (431)              
Conversion of convertible senior notes $ 4   50,756       50,760 50,760
Conversion of convertible senior notes (in Shares) 4,247              
Repurchase of common stock for employee tax withholding     (164)       (164) (164) [1]
Repurchase of common stock for employee tax withholding (in Shares) [1] (33)              
Preferred stock accrued dividends     (1,334)       (1,334) (1,334)
Net income (loss)       (6,008)   120 (5,888) (6,008) [1]
Foreign currency translation adjustment         (506)   (506) (506) [1]
Balance at Dec. 31, 2021 $ 10 [1]   $ 272,941 $ (203,431) $ (12,952) $ 1,331 $ 57,899 $ 56,568 [1],[2]
Balance (in Shares) at Dec. 31, 2021 [1] 9,521              
[1] After giving effect to a 1 for 10 reverse stock split effective July 9, 2020.
[2] After giving effect to a 1 for 10 reverse stock split effective July 9, 2020.