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Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Total
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Accumulated Deficit [Member]
Non-controlling Interest [Member]
Series C Preferred Stock [Member]
Class A [Member]
Class B [Member]
Beginning Balance at Dec. 31, 2017 $ 2,611 $ 177,612 $ (2,662) $ (189,803) $ 16,987 $ 442 $ 33 $ 2
Beginning Balance, shares at Dec. 31, 2017           579 3,295 220
Stock compensation and issuances 247 243 0 0 0 $ 0 $ 4 $ 0
Stock compensation and issuances, shares           0 395 0
Series C preferred conversion of CGF I & II 3,156 3,156 0 0 0 $ 0 $ 0 $ 0
Series C preferred conversion of CGF I & II, shares           0    
Net (loss) income (1,445) 0 0 (1,725) 280 $ 0 0 0
Ending Balance at Jun. 30, 2018 4,569 181,011 (2,662) (191,528) 17,267 $ 442 $ 37 $ 2
Ending Balance, shares at Jun. 30, 2018           579 3,690 220
Beginning Balance at Dec. 31, 2018 6,630 180,673 (2,662) (194,319) 15,706 $ 7,193 $ 37 $ 2
Beginning Balance, shares at Dec. 31, 2018           2,800 3,703 220
Stock compensation and issuances 253 252 0 0 0 $ 0 $ 1 $ 0
Stock compensation and issuances, shares           0 100 0
Shares withheld related to net share settlement of restricted stock awards 0 0 0 0 0 $ 0 $ 0 $ 0
Shares withheld related to net share settlement of restricted stock awards, shares           0 (12) 0
Warrant exercises 360 358 0 0 0 $ 0 $ 2 $ 0
Warrant exercises, shares           0 200 0
Class A stock conversion of non-controlling interest 69 16,050 0 0 (16,019) $ 0 $ 38 $ 0
Class A stock conversion of non-controlling interest, shares             3,824 0
Series C conversion of non-controlling interest (428) 0 0 0 0 $ (428) $ 0 $ 0
Series C conversion of non-controlling interest, shares           641    
Net (loss) income 129 0 0 (184) 313 $ 0 0 0
Ending Balance at Jun. 30, 2019 $ 7,013 $ 197,333 $ (2,662) $ (194,503) $ 0 $ 6,765 $ 78 $ 2
Ending Balance, shares at Jun. 30, 2019           3,441 7,815 220