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Loans Payable (Details) - USD ($)
Dec. 31, 2015
Dec. 03, 2015
Jun. 30, 2015
Debt Instrument [Line Items]      
Outstanding balances $ 24,179,000   $ 24,091,000
Line of Credit | SIC III Line Of Credit Note      
Debt Instrument [Line Items]      
Total facility amount 20,000,000    
Outstanding balances 19,616,000   19,516,000
Line of Credit | Line of Credit Grid Note      
Debt Instrument [Line Items]      
Total facility amount 10,000,000    
Outstanding balances 4,563,000 $ 8,675,000 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