Note 2 - Allowance for Doubtful Accounts Receivable

12 Months Ended

Dec. 31, 2016

Notes to Financial Statements

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

NOTE

2

- Allowance for Doubtful Accounts Receivable:

The activity in the allowance for doubtful accounts receivable was as follows:

	2016			2015			2014
Balance at the beginning of year	$	848,000		$	680,000		$	560,000
Provision for bad debts		523,000			266,000			197,000
Charge-offs		(96,000	)		(98,000	)		(105,000	)
Recoveries		1,000			-			28,000
Balance at the end of year	$	1,276,000		$	848,000		$	680,000