Note 6 - Syndicated Revolver - Schedule of Standby Fees Based on Total Funded Debt to EBITDA Ratio (Details)	3 Months Ended
	Mar. 31, 2024
Debt to EBITDA is Less Than 2.00 [Member]
Standby fees	0.30%
Debt to EBITDA is Less Than 2.00 [Member] | Bank of Montreal and Royal Bank of Canada [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Basis Spread on Variable Rate	1.50%
Debt to EBITDA is Less Than 2.00 [Member] | Bank of Montreal and Royal Bank of Canada [Member] | Base Rate [Member]
Basis Spread on Variable Rate	0.25%
Debt to EBITDA is Greater Than or Equal to 2.00 and Less Than 2.75 [Member]
Standby fees	0.40%
Debt to EBITDA is Greater Than or Equal to 2.00 and Less Than 2.75 [Member] | Bank of Montreal and Royal Bank of Canada [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Basis Spread on Variable Rate	2.00%
Debt to EBITDA is Greater Than or Equal to 2.00 and Less Than 2.75 [Member] | Bank of Montreal and Royal Bank of Canada [Member] | Base Rate [Member]
Basis Spread on Variable Rate	0.75%
Debt to EBITDA is Greater Than or Equal to 2.75 and Less Than 3.50 [Member]
Standby fees	0.50%
Debt to EBITDA is Greater Than or Equal to 2.75 and Less Than 3.50 [Member] | Bank of Montreal and Royal Bank of Canada [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Basis Spread on Variable Rate	2.50%
Debt to EBITDA is Greater Than or Equal to 2.75 and Less Than 3.50 [Member] | Bank of Montreal and Royal Bank of Canada [Member] | Base Rate [Member]
Basis Spread on Variable Rate	1.25%
Debt to EBITDA Greater than Or Equal To 3.50 and Less than 4.00 [Member]
Standby fees	0.60%
Debt to EBITDA Greater than Or Equal To 3.50 and Less than 4.00 [Member] | Bank of Montreal and Royal Bank of Canada [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Basis Spread on Variable Rate	3.00%
Debt to EBITDA Greater than Or Equal To 3.50 and Less than 4.00 [Member] | Bank of Montreal and Royal Bank of Canada [Member] | Base Rate [Member]
Basis Spread on Variable Rate	1.75%
Debt to EBITDA is Greater Than or Equal to 4.00 [Member]
Standby fees	0.70%
Debt to EBITDA is Greater Than or Equal to 4.00 [Member] | Bank of Montreal and Royal Bank of Canada [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Basis Spread on Variable Rate	3.50%
Debt to EBITDA is Greater Than or Equal to 4.00 [Member] | Bank of Montreal and Royal Bank of Canada [Member] | Base Rate [Member]
Basis Spread on Variable Rate	2.25%