Note 3 - Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

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

	December 31,
	2015			2014
Billed receivables	$	7,740,837		$	6,491,814
Less: allowance for doubtful accounts		(75,000	)		(25,000	)
	$	7,665,837		$	6,466,814