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Consolidated Statement of Stockholders' Equity - USD ($)
shares in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Noncontrolling Interest [Member]
Total
Balance (in shares) at Dec. 31, 2012 16,495          
Balance at Dec. 31, 2012 $ 165,000 $ 197,067,000 $ 12,220,000 $ 696,000 $ 2,438,000 $ 212,586,000
Net (loss) income     (73,929,000)   1,879,000 (72,050,000)
Other comprehensive loss       (579,000)   (579,000)
Stock issued upon option exercises (in shares) 9          
Stock issued upon option exercises   26,000       26,000
Tax impact from exercise of stock options   (15,000)       (15,000)
Stock-based compensation (in shares) 154          
Stock-based compensation $ 2,000 926,000       928,000
Adjustments to Additional Paid in Capital, Revaluation of Non-controlling Interest Put/Call Liability   (7,078,000) (608,000)     (7,686,000)
Distributions to noncontrolling interests owners         (416,000) (416,000)
Balance (in shares) at Dec. 31, 2013 16,658          
Balance at Dec. 31, 2013 $ 167,000 190,926,000 (62,317,000) 117,000 3,901,000 132,794,000
Net (loss) income     (9,781,000)   4,556,000 (5,225,000)
Other comprehensive loss       (218,000)   (218,000)
Stock issued upon option exercises (in shares) 4          
Stock issued upon option exercises   12,000       12,000
Stock-based compensation (in shares) 41          
Stock-based compensation   849,000       849,000
Distributions to noncontrolling interests owners         (994,000) (994,000)
Balance (in shares) at Dec. 31, 2014 18,803          
Balance at Dec. 31, 2014 $ 188,000 205,697,000 (72,098,000) (101,000) 7,462,000 141,148,000
Stock Issued During Period, Shares, New Issues 2,100          
Stock issued in equity offering, net of expense $ 21,000 14,025,000       14,046,000
Other   (115,000)     (1,000) (116,000)
Net (loss) income     (20,402,000)   3,216,000 (17,186,000)
Other comprehensive loss       $ 101,000   101,000
Stock-based compensation (in shares) 1,046          
Stock-based compensation $ 11,000 1,593,000       1,604,000
Adjustments to Additional Paid in Capital, Revaluation of Non-controlling Interest Put/Call Liability   (18,774,000)     (7,367,000) (26,141,000)
Distributions to noncontrolling interests owners         (3,402,000) (3,402,000)
Balance (in shares) at Dec. 31, 2015 19,753          
Balance at Dec. 31, 2015 $ 198,000 188,147,000 $ (92,500,000)   $ (91,000) 95,754,000
Other $ (1,000) $ (369,000)       $ (370,000)
Other (in shares) (96)