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Note 1 - Nature of Organization and Operations (Details Textual)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 17 Months Ended
Aug. 17, 2023
USD ($)
$ / shares
shares
Mar. 27, 2023
$ / shares
shares
Jul. 10, 2020
Sep. 30, 2023
USD ($)
$ / shares
shares
Mar. 31, 2023
Sep. 30, 2018
Sep. 30, 2023
USD ($)
$ / shares
shares
Mar. 31, 2023
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
$ / shares
shares
Sep. 30, 2022
USD ($)
Feb. 17, 2025
USD ($)
Mar. 26, 2023
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares   $ 0.01   $ 0.01     $ 0.01     $ 0.01       $ 0.01
Common Stock, Shares Authorized (in shares) | shares   66,666,666   66,666,000     66,666,000     66,666,000     200,000,000 66,666,000
Proceeds from Issuance of Common Stock                   $ 5,454 $ 0      
Retained Earnings (Accumulated Deficit)       $ (54,765)     $ (54,765)     (54,765)       $ (50,409)
Working Capital       2,157     2,157     2,157        
Debt, Current       4,211     4,211     4,211        
Cash and Cash Equivalents, at Carrying Value       8,376     8,376     8,376       $ 1,633
Operating Income (Loss)             $ 160   $ (284) (630) (1,268)      
Net Cash Provided by (Used in) Operating Activities                   $ 8,306 $ (1,050)      
Amended Term Loan 2023 [Member]                            
Debt Instrument, Periodic Payment       $ 370                    
Amended Term Loan 2023 [Member] | Forecast [Member]                            
Debt Instrument, Repaid, Principal                       $ 4,440    
Public Offering [Member]                            
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares $ 0.01                          
Stock Issued During Period, Shares, New Issues (in shares) | shares 3,000,000                          
Shares Issued, Price Per Share (in dollars per share) | $ / shares $ 2                          
Proceeds from Issuance of Common Stock $ 5,454                          
Public Offering [Member] | Underwiring Fees [Member]                            
Payments of Stock Issuance Costs 478                          
Public Offering [Member] | Offering Costs [Member]                            
Payments of Stock Issuance Costs $ 68                          
Reverse Stock Split [Member]                            
Stockholders' Equity Note, Stock Split, Conversion Ratio   3 3   3 30   3