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Investment in Ramsey Property and Related Notes Receivable (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Nov. 30, 2014
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Proceeds from liquidation of Ramsey assets     $ 86 $ 1,992  
Gain on the sale of investment in ramsey     340  
Purchase of Investment in Ramsey property and related notes receivable     87  
Two Promissory Notes (Loan Purchase and Sale Agreement) [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Notes receivable net $ 1,200        
Description of cross collateral notes

The promissory notes were cross-collateralized and originally secured by (collectively, the “Collateral”), among other things, real property consisting of 2.3 acres of land and an approximate 30,000 square foot industrial building and a security interest in substantially all of the assets of Riverside Manufacturing, Inc. (“Riverside”) (consisting primarily of machine shop equipment and accounts receivable).

       
Riverside Manufacturing Inc [Member] | Revolving Credit Facility [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Revolving loan agreement aggregate amount         $ 200
Revolving loan modification agreement aggregate amount     300    
Proceeds from liquidation of Ramsey assets       1,653  
Collection of escrow account   $ 1,441   1,441  
Proceeds from sale of property       529  
Gain on the sale of investment in ramsey       340  
Escrow upon completion of voluntary foreclosure proceedings       86  
Final accrual on investment of aggregate amount       $ 108  
Purchase of Investment in Ramsey property and related notes receivable     $ 86    
Proceeds collected from equipment liquidator   $ 22