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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basic and Diluted Net Income (Loss) Per Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Accounting Policies [Abstract]                      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount                 1,452,000 1,826,000 867,000
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                      
Net Income (Loss) Attributable to Parent $ (5,253) $ (12,312) $ (7,174) $ (4,975) $ (5,383) $ (3,935) $ (3,204) $ (4,189) $ (29,714) $ (16,711) $ 35,409
Weighted Average Number of Shares Outstanding, Basic                 18,916,000 17,891,000 17,462,000
Incremental Common Shares Attributable to Warrants Outstanding                 0 0 26,000
Incremental Common Shares Attributable to Stock Options                 0 0 255,000
Weighted Average Number of Shares Outstanding, Diluted                 18,916,000 17,891,000 17,743,000
Earnings Per Share, Basic                 $ (1.57) $ (0.93) $ 2.03
Earnings Per Share, Diluted                 $ (1.57) $ (0.93) $ 1.99