Note 3 - Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2014

Receivables [Abstract]

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

(in thousands)	June 30, 2014			December 31, 2013
Accounts receivable	$	5,137		$	4,919
Less allowance for uncollectible accounts receivable		(114	)		(165	)
Accounts receivable, net	$	5,023		$	4,754