Note 17 - Supplemental Disclosures for Cash Flows (Tables)

3 Months Ended

Mar. 31, 2013

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

	Three-month Period Ended March 31,
	2013		2012
	(in thousands)
Interest paid	$	192	$	-
Income taxes paid	$	130	$	-
Non-cash investing and financing activities:
Unrealized gains on available-for-sale securities	$	2,871	$	307