Net Income Per Share of Common Stock	3 Months Ended
Mar. 31, 2025
Earnings Per Share [Abstract]
Net Income Per Share of Common Stock [Text Block]	Note 9 - Net Income Per Share of Common Stock Basic net income per common share is computed using the weighted-average number of common shares outstanding during the period. Diluted net income per share is computed using the weighted-average number of common stock shares and dilutive potential common shares outstanding during the period. For the three months ended March 31, 2025, the Company had 311,000 potential common shares, consisting of 120,000 preferred shares, and options to purchase 191,000 shares, outstanding that were potentially dilutive, if exercised.

Net Income Per Share of Common Stock

3 Months Ended

Mar. 31, 2025

Net Income Per Share of Common Stock [Text Block]

Note 9 - Net Income Per Share of Common Stock

Basic net income per common share is computed using the weighted-average number of common shares outstanding during the period. Diluted net income per share is computed using the weighted-average number of common stock shares and dilutive potential common shares outstanding during the period. For the three months ended March 31, 2025, the Company had 311,000 potential common shares, consisting of 120,000 preferred shares, and options to purchase 191,000 shares, outstanding that were potentially dilutive, if exercised.