Note 4 - Investments (Tables)

12 Months Ended

Dec. 31, 2012

Equity Method Investments [Member]

Schedule of Equity Method Investments [Table Text Block]

	Carrying Value
At December 31, (in thousands)	2012		2011
NKD Enterprises, LLC	$	892	$	904

Operations [Member]

Schedule of Equity Method Investments [Table Text Block]

As of and for the year ended December 31,
(in thousands)	2012			2011
Revenues	$	1,797		$	1,864
Operating income (loss)		(48	)		6
Net income (loss)		(48	)		6

Financial Position [Member]

Schedule of Equity Method Investments [Table Text Block]

As of and for the year ended December 31,
(in thousands)	2012		2011
Current assets	$	121	$	184
Non-current assets		3,012		3,012
Current liabilities		277		292
Stockholders’ equity		2,856		2,904