Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

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Stockholders' Equity (Details Textual)
$ / shares in Units, $ in Thousands
6 Months Ended
Dec. 31, 2019
USD ($)
$ / shares
shares
Stockholders' Equity (Textual)  
Weighted average grant fair value (in dollars per share) $ 4.38
Dividend yield 0.00%
Underwritten Public Offering [Member]  
Stockholders' Equity (Textual)  
Common stock sold | shares 5,520,000
Common stock at a price $ 6.25
underwriting discount | $ $ 34,500
Expenses payable | $ $ 2,300
Restricted Stock Units [Member]  
Stockholders' Equity (Textual)  
Number of shares granted | shares 803,061
Weighted average grant fair value (in dollars per share) $ 7.70
Restricted Stock Units [Member] | Minimum [Member]  
Stockholders' Equity (Textual)  
Vesting period 4 years
Restricted Stock Units [Member] | Maximum [Member]  
Stockholders' Equity (Textual)  
Vesting period 5 years
Employees and Directors [Member]  
Stockholders' Equity (Textual)  
Number of shares granted | shares 189,000
Weighted average grant fair value (in dollars per share) $ 4.38
Dividend yield 0.00%