v3.26.1
Note 16 - Stockholders' Deficit - Option Activity (Details) - The 2016 Equity Incentive Plan [Member] - Share-Based Payment Arrangement, Employee [Member]
 3 Months Ended
Jun. 30, 2026
$ / shares
shares
Outstanding, options (in shares) | shares 207,667
Outstanding, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 37.52
Granted, options (in shares) | shares 0
Granted, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 0
Exercised, options (in shares) | shares 0
Exercised, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 0
Forfeited or expired, options (in shares) | shares 0
Forfeited or expired, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 0
Outstanding, options (in shares) | shares 207,667
Outstanding, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 37.52
Exercisable, options (in shares) | shares 207,667
Exercisable, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 37.52