Supplemental Cash Flows Information (Tables)

6 Months Ended

Jun. 30, 2013

CashFlowSupplementalDisclosuresTextBlockAbstract

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

Cash paid for interest and income taxes and non-cash investing financing and investing activities for the six months ended June 30, 2013 and 2012, were as follows:

		Six Months Ended June 30,
		2013		2012
	(in thousands)
Interest paid		$	273	$	68
Income taxes paid		$	1,582	$	—
Non-cash investing and financing activities:
Net unrealized gains on available-for-sale securities		$	642	$	382
Issuance of common stock for acquisition of Sun Well		$	—	$	60,825