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Significant Accounting Policies (Tables)
9 Months Ended 12 Months Ended
Mar. 31, 2021
Jun. 30, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] The following table summarizes convertible preferred stock and securities that, if exercised would have an anti-dilutive effect on earnings per share.
For the Three Months Ended March 31,For the Nine Months Ended March 31,
2021202020212020
Stock options157,000 213,000 157,000 213,000 
Convertible preferred stock5,376,053 5,033,239 5,376,053 5,033,239 
Total potential dilutive securities not included in income per share5,533,053 5,246,239 5,533,053 5,246,239 
 
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]  
For the Three Months Ended March 31,For the Nine Months Ended March 31,
2021202020212020
Numerator:
  Numerator for basic earnings (loss) per share:
 Net loss$(137,465)$(127,883)$(235,542)$(181,853)
Undeclared dividends on preferred stock12,723 13,006 38,699 39,018 
Net loss applicable to common shareholders$(150,188)$(140,889)$(274,241)$(220,871)
Numerator for diluted earnings per share:
Net loss applicable to common shareholders$(150,188)$(140,889)$(274,241)$(220,871)
Undeclared dividends on preferred stock— — — — 
Diluted loss$(150,188)$(140,889)$(274,241)$(220,871)
Denominator for basic earnings (loss) per share
Denominator for basic earnings (loss) per share - weighted average shares outstanding
7,415,3297,415,329 7,415,329 7,415,329 
Weighted average preferred stock converted to common stock— — — — 
 Denominator for diluted earnings (loss) assumed conversion7,415,329 7,415,329 7,415,329 7,415,329 
Net loss per share:
Basic net loss per share$(0.02)$(0.02)$(0.04)$(0.03)
Diluted net loss per share$(0.02)$(0.02)$(0.04)$(0.03)
Schedule of Inventory, Current [Table Text Block]  
March 31, June 30,
(in thousands)20212020
Inventories, net:
        Raw Material$581 $613 
        Work-In-Process117 323 
        Finished Goods676 849 
Total$1,374 $1,785 
Deferred Revenue, by Arrangement, Disclosure [Table Text Block]  
(in thousands)Three Months Ended March 31,Nine Months Ended March 31,
2021202020212020
Beginning of Period$572 $636 $516 $427 
Additions149 147 677 834 
Revenue Recognized227 240 699 718 
End of Period$494 $543 $494 $543