Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details Textual)

v3.19.2
Commitments and Contingencies (Details Textual)
$ in Thousands
12 Months Ended
Feb. 27, 2018
USD ($)
a
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Discount rate   17.00%    
Gain on contingent liability   $ 785 $ 501  
Contingent real estate liability   $ 445 1,230  
Weighted average cost of capital   17.00%    
Contingent liability   $ 400 1,200  
Unrecognized indirect tax credits totaled   $ 148 296
Base salary, Description   A determination that grounds were without cause would result in the cash expenditure of approximately $206 thousand representing 1 years' salary, COBRA and cost of living expense, and prorated bonus up to the date of termination. Additionally, the Company would record a non-cash expense of approximately $883 thousand representing the immediate full vesting of restricted stock units and stock options on the date of termination.    
24 - Month Lease Agreement [Member] | Building [Member] | Huntersville, North Carolina [Member]        
Annual rent   $ 100 100  
Lease term   5 years    
24 - Month Lease Agreement [Member] | Equipment [Member] | Canandaigua, New York [Member]        
Annual rent   $ 100 100  
36 - Month Lease Agreement [Member] | Equipment [Member] | Canandaigua, New York [Member]        
Annual rent   $ 6 $ 1  
Lease and Project Agreement [Member] | Canandaigua, New York [Member] | OCIDA [Member]        
Lease $ 1      
Acre parcel of land | a 9.995      
Mortgages securing an aggregate principal amount $ 12,000      
Asset Purchase Agreement [Member]        
Description of agreement   If the Company sells the property subject to the related Definitive Real Property Purchase Agreement within three (3) years after the date of such agreement for an amount in excess of $1,750 thousand, subject to certain enumerated exceptions.    
Description of penalty   The penalty imposed shall be equivalent to the amount that the sales price of the property exceeds $1,750 thousand up to the maximum penalty.