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Loans Payable (Schedule of Loans Payable) (Details) - USD ($)
Mar. 31, 2016
Mar. 29, 2016
Dec. 04, 2015
Dec. 03, 2015
Jun. 30, 2015
Jun. 11, 2015
Jun. 30, 2014
Dec. 13, 2013
Debt Instrument [Line Items]                
Outstanding balances $ 26,882,000       $ 24,091,000   $ 15,000,000  
Line of Credit | Term Loan Agreement (DB Line)                
Debt Instrument [Line Items]                
Current borrowing capacity         15,000,000     $ 30,000,000
Outstanding balances         0   15,000,000  
Line of Credit | SIC III Line Of Credit Note                
Debt Instrument [Line Items]                
Current borrowing capacity 20,000,000       20,000,000      
Outstanding balances 19,666,000       19,516,000   0  
Line of Credit | Line of Credit Grid Note                
Debt Instrument [Line Items]                
Current borrowing capacity 10,000,000       10,000,000 $ 10,000,000    
Outstanding balances 4,563,000   $ 4,563,000 $ 8,675,000 3,000,000   0  
Line of Credit | Secured Revolving Loan                
Debt Instrument [Line Items]                
Outstanding balances 1,500,000       0      
Line of Credit | Secured Revolving Line of Credit                
Debt Instrument [Line Items]                
Current borrowing capacity 500,000 $ 500,000            
Outstanding balances 88,000       0      
Unsecured Debt | Unsecured Demand Loans                
Debt Instrument [Line Items]                
Debt issue amount 0       1,575,000      
Outstanding balances 0       1,575,000   $ 0  
Unsecured Debt | MGT Promissory Notes [Member]                
Debt Instrument [Line Items]                
Debt issue amount 2,109,000              
Outstanding balances 941,000       0      
Unsecured Debt | Kuusamo Promissory Notes [Member]                
Debt Instrument [Line Items]                
Debt issue amount 141,000              
Outstanding balances $ 124,000       $ 0