Note 2 - Accounts Receivable (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	September 30,			December 31,
	2025			2024
Accounts receivable - current	$	1,847,784		$	2,416,790
Less allowance for credit losses		(64,636	)		(73,728	)
Accounts receivable current - net	$	1,783,148		$	2,343,062
Accounts receivable - long-term	$	633,629		$	1,011,355

Accounts Receivable, Allowance for Credit Loss [Table Text Block]

	September 30,			September 30,
	2025			2024
Allowance for credit losses, beginning of period	$	73,728		$	68,620
Current period provision		(8,236	)		(3,936	)
Write-off		(856	)		0
Allowance for credit losses, end of period		64,636			64,684