Note 2 - Accounts Receivable

3 Months Ended

Mar. 31, 2026

Notes to Financial Statements

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

2.  Accounts Receivable –

Accounts receivable consisted of the following at:

	March 31,			December 31,
	2026			2025
Accounts receivable - current	$3,156,094			$2,834,793
Contract receivable - current	$	80,569		$	0
Less allowance for credit losses		(82,068	)		(72,045	)
Accounts receivable current - net	$	3,154,595		$	2,762,748
Accounts receivable - long-term	$	546,909		$	0
Contract receivable - long-term	$	246,815		$	421,883
Accounts receivable long term	$	793,724		$	421,883

A roll-forward of the Company’s allowance for credit losses for the three month periods ended  March 31, 2026 and 2025 are as follows:

	March 31,			March 31,
	2026			2025
Allowance for credit losses, beginning of period	$	72,045		$	73,728
Current period provision		16,775			(3,671	)
Write-off		(6,752	)		0
Allowance for credit losses, end of period		82,068			70,057