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Loans Payable (Details) - USD ($)
Sep. 30, 2015
Jun. 30, 2015
Debt Instrument [Line Items]    
Outstanding balances $ 26,141,000 $ 24,091,000
Line of Credit | SIC III Line Of Credit Note    
Debt Instrument [Line Items]    
Total facility amount 20,000,000  
Outstanding balances 19,566,000 19,516,000
Line of Credit | Line of Credit Grid Note    
Debt Instrument [Line Items]    
Total facility amount 10,000,000  
Outstanding balances 6,575,000 3,000,000
Unsecured Debt | Unsecured Demand Loans    
Debt Instrument [Line Items]    
Debt issue amount 0 1,575,000
Outstanding balances $ 0 $ 1,575,000