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Significant Accounting Policies (Tables)
 3 Months Ended 6 Months Ended
Sep. 30, 2023
Dec. 31, 2022
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,
2022202120222021
Stock options157,000 157,000 157,000 157,000 
Convertible preferred stock5,978,287 5,634,287 5,978,287 — 
Total potential dilutive securities not included in income per share6,135,287 5,791,287 6,135,287 157,000 
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,
2022202120222021
Numerator:
  Numerator for basic loss per share:
 Net (loss) income $(6,043)$(53,154)$(326,767)$264,066 
Undeclared dividends on preferred stock13,006 13,006 26,012 26,012 
Net (loss) income applicable to common shareholders$(19,049)$(66,160)$(352,779)$238,054 
Numerator for diluted earnings per share:
Net (loss) income applicable to common shareholders$(19,049)$(66,160)$(352,779)$238,054 
Undeclared dividends on preferred stock— — — 26,012 
Diluted (loss) income$(19,049)$(66,160)$(352,779)$264,066 
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— — — 5,634,287 
 Denominator for diluted (loss) earnings assumed conversion7,415,329 7,415,329 7,415,329 13,049,616 
Net (loss) earnings per share:
Basic net (loss) earnings per share$0.00 $(0.01)$(0.05)$0.03 
Diluted net (loss) earnings per share$0.00 $(0.01)$(0.05)$0.02 
  
Schedule of Inventory, Current [Table Text Block]  
December 31,
June 30,
(in thousands)20222022
Inventories:
        Raw Material$1,174 $1,010 
        Work-In-Process166 138 
        Finished Goods893 806 
Total inventories$2,233 $1,954 
Allowance for obsolete inventory(350)(350)
Inventories, net$1,884 $1,604 
Deferred Revenue, by Arrangement, Disclosure [Table Text Block]
(in thousands)Three Months Ended December 31,Six Months Ended December 31,
2022202120222021
Beginning of Period$274 $276 $332 $364 
Additions137 213 241321
Revenue Recognized152 179 314 375 
End of Period$259 $310 $259 $310