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FINANCIAL INFORMATION Financial Information (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 14, 2017
Jan. 26, 2017
Mar. 31, 2016
Dec. 31, 2011
Dec. 31, 2010
Mar. 31, 2017
Dec. 31, 2016
Feb. 26, 2016
Dec. 31, 2015
Jun. 15, 2015
Long-term Debt           $ 189,302,000 $ 188,795,000      
Cash and Cash Equivalents, at Carrying Value     $ 87,830,000     $ 47,014,000 $ 44,948,000   $ 17,902,000  
Beijing Jetsen Securities Purchase Agreement [Member]                    
Minimum Percentage of Shares Outstanding Purchased   5.00%                
Maximum Percentage of Shares Outstanding Purchased   9.90%                
Proceeds from Issuance of Common Stock   $ 18,160,000                
Beijing Jetsen Distribution Agreement [Domain]                    
Distribution Agreement Value   $ 75,800,000                
Convertible Debt [Member]                    
Long-term Debt, Gross                   $ 125,000,000
Debt Instrument, Interest Rate, Stated Percentage                   2.00%
Cerberus Business Finance LLC [Member]                    
Debt Instrument, Covenant Description The Financing Agreement contains customary representations and warranties, covenants, mandatory prepayments, and events of default under which the Company’s payment obligations may be accelerated. On March 14, 2017 (the “Effective Date”), the Company entered into an amendment (the “Amendment”) to the Financing Agreement, with the lenders party thereto. The Amendment modified the covenant requiring the Company to maintain a Leverage Ratio (defined to mean the ratio of (a) total funded indebtedness to (b) consolidated EBITDA) such that following the Effective Date, the Company is required to keep a Leverage Ratio of no greater than 3.50:1.00 for the four quarters ending March 31, 2017, 4.20:1.00 for the four quarters ending June 30, 2017, 4.75:1.00 for the four quarters ending September 30, 2017, 4.80:1.00 for the four quarters ending December 31, 2017, 4:40:1 for each of the four quarters ending March 31, 2018 through March 31, 2019, respectively, and thereafter declining over time from 3.50:1.00 to 2.50:1.00.                  
Line of Credit Facility, Interest Rate Description Following the Effective Date, interest accrues on outstanding borrowings under the credit facility and the term loan (each as defined in the Financing Agreement) at a rate of either the LIBOR Rate (as defined in the Financing Agreement) plus 7.25% or a Reference Rate (as defined in the Financing Agreement) plus 6.25%, at the option of the Company.                  
Cerberus Business Finance LLC [Member] | Line of Credit [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity               $ 5,000,000    
Cerberus Business Finance LLC [Member] | Long-term Debt [Member]                    
Long-term Debt               100,000,000    
Cerberus Business Finance LLC [Member] | Line of Credit [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity               $ 5,000,000    
Services Revenues [Member]                    
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification     11,100,000              
Deferred Revenue [Domain]                    
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification     $ 6,500,000              
Accounting Standards Update No. 2009-14 [Member]                    
New Accounting Pronouncement Adoption, Percent Revenue Recognized at Billing       70.00% 30.00%