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Marketable Securities (Details) - USD ($)
$ in Thousands
 7 Months Ended
Sep. 30, 2014
Sep. 30, 2015
Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]      
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss   $ (27)  
Amortized cost   26,985 $ 26,096
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax   124 117
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value   8,029  
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss   (73)  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss   2,691  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss   (46)  
Business Acquisition, Pro Forma Net Income (Loss) $ (374)    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value   5,338  
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax   73 57
Available-for-sale Securities   27,036 26,156
Corporate Debt Securities [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss   (26)  
Amortized cost   21,317 19,804
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax   91 89
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value   7,599  
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss   (71)  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss   2,462  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss   (45)  
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value   5,137  
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax   72 55
Available-for-sale Securities   21,336 19,838
Municipal Bonds [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss   (1)  
Amortized cost   5,668 6,292
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax   33 28
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value   430  
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss   (2)  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss   229  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss   (1)  
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value   201  
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax   1 2
Available-for-sale Securities   $ 5,700 $ 6,318