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Significant Accounting Policies (Tables)
 6 Months Ended
Dec. 31, 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 December 31,For the Six Months Ended December 31,
2021202020212020
Stock options157,000 157,000 157,000 157,000 
Convertible preferred stock5,634,287 — — 5,291,233 
Total potential dilutive securities not included in income per share5,791,287 157,000 157,000 5,448,233 
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
For the Three Months Ended December 31,For the Six Months Ended December 31,
2021202020212020
Numerator:
  Numerator for basic earnings (loss) per share:
 Net (loss) income $(53,154)$98,476 $264,066 $(98,077)
Undeclared dividends on preferred stock13,006 13,006 $26,012 25,976 
Net (loss) income applicable to common shareholders$(66,160)$85,470 $238,054 $(124,053)
Numerator for diluted earnings per share:
Net (loss) income applicable to common shareholders$(66,160)$85,470 $238,054 $(124,053)
Undeclared dividends on preferred stock— 13,006 26,012 — 
Diluted (loss) earnings$(66,160)$98,476 $264,066 $(124,053)
Denominator for basic (loss) earnings per share
Denominator for basic (loss) earnings per share - weighted average shares outstanding
7,415,3297,415,329 7,415,3297,415,329 
Weighted average preferred stock converted to common stock— 5,291,233 5,634,287 — 
 Denominator for diluted (loss) earnings assumed conversion7,415,329 12,706,562 13,049,616 07,415,329 
Net (loss) income per share:
Basic net (loss) income per share$(0.01)$0.01 $0.03 $(0.02)
Diluted net (loss) income per share$(0.01)$0.01 $0.02 $(0.02)
Schedule of Inventory, Current [Table Text Block]
December 31,
June 30,
(in thousands)20212021
Inventories, net:
        Raw Material$855 833 
        Work-In-Process117 171 
        Finished Goods824 773 
Total inventories$1,796 $1,777 
Allowance for obsolete inventory(350)(360)
Inventories, net$1,446 $1,417 
Deferred Revenue, by Arrangement, Disclosure [Table Text Block]
(in thousands)Three Months Ended December 31,Six Months Ended December 31,
2021202020212020
Beginning of Period$277 $467 $364 $516 
Additions213 346 321 527 
Revenue Recognized179 243 375 472 
End of Period$310 $571 $310 $571