Note 16 - Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2014

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	Year Ended December 31,
	2014		2013
Income taxes paid	$	5,274,000	$	2,537,000
Interest paid	$	466,000	$	193,000