Note 7 - Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2012

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

	Six-Months Ended June 30,
	2012			2011
	(in thousands)
Non-cash operating activities:
Issuance of shares of common stock to settle accounts payable		$	—		$	224
Cash paid for:
Interest		$	3		$	55