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Other Interests (Details) - USD ($)
3 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Mar. 31, 2016
Jul. 01, 2015
Noncontrolling Interest [Line Items]        
Accounts receivable service equity investment $ 400,000   $ 400,000  
Management fees revenue 300,000 $ 300,000    
Deficit attributable to noncontrolling interest (1,168,000)   (1,185,000)  
Net loss attributable to noncontrolling interest 21,000 $ 434,000    
Holdings        
Noncontrolling Interest [Line Items]        
Ownership percentage   100.00%    
Equity method investment aggregate cost 2,000,000      
Holdings | Variable Interest Entity, Not Primary Beneficiary        
Noncontrolling Interest [Line Items]        
Equity method investment equity 13,900,000   11,900,000  
Equity method investment 0   $ 0  
CONtv        
Noncontrolling Interest [Line Items]        
Ownership percentage   47.50%   85.00%
Investments in subsidiary $ 38,000