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Fair Value Measurements (Details 1) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2016
Mar. 31, 2016
Jun. 30, 2015
Mar. 31, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Beginning and ending balances for the Company's fair value measurements using Level 3 inputs              
New agreements $ 0   $ 0   $ 2,500    
Asset, Ending Balance          
Asset fair value          
Contingent consideration              
Beginning and ending balances for the Company's fair value measurements using Level 3 inputs              
Asset, Beginning Balance (160) $ (350) 0 $ 0 (350) $ 0 $ 0
Realized gains (losses) included in earnings 160 190 0 0      
Sales Proceeds   0   0      
Asset, Ending Balance 0 (160) 0 0 0 0 (350)
Asset fair value (160) (350) 0 0 (350) 0 0
Convertible Preferred Stock              
Beginning and ending balances for the Company's fair value measurements using Level 3 inputs              
Asset, Beginning Balance 775 13,550 13,300 13,300 13,550 13,300 13,300
Realized gains (losses) included in earnings 19 710   0      
Sales Proceeds   (13,485)   0      
Asset, Ending Balance 3,294 775 13,300 13,300 3,294 13,300 13,550
Asset fair value 775 13,550 13,300 $ 13,300 13,550 13,300 13,300
Level 3 | Convertible Notes              
Beginning and ending balances for the Company's fair value measurements using Level 3 inputs              
Asset, Beginning Balance   750     750    
Asset, Ending Balance 3,294       3,294   750
Asset fair value $ 3,294 750     750   750
Level 3 | Convertible Preferred Stock              
Beginning and ending balances for the Company's fair value measurements using Level 3 inputs              
Asset, Beginning Balance   12,800     12,800    
Asset, Ending Balance     13,300     13,300 12,800
Asset fair value   $ 12,800 $ 13,300   $ 12,800 $ 13,300 $ 12,800
Market Approach Valuation Technique | Level 3 | Convertible Preferred Stock              
Beginning and ending balances for the Company's fair value measurements using Level 3 inputs              
Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple           6.15 5.6
Income Approach Valuation Technique | Level 3 | Convertible Preferred Stock              
Beginning and ending balances for the Company's fair value measurements using Level 3 inputs              
Fair Value Inputs, Discount Rate           14.50% 14.50%