Note 4 - Investments (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Equity Method Investments [Table Text Block]

As of and for the year ended December 31 , (in thousands)	201 6			201 5
Revenues	$	2,050		$	1,878
Operating loss		(168	)		(58	)
Net loss		(168	)		(58	)

As of and for the year ended December 31, (in thousands)	201 6		201 5
Current assets	$	107	$	133
Non-current assets		3,002		3,004
Current liabilities		400		260
Stockholders’ equity		2,709		2,877

Equity Method Investments [Member]

Notes Tables

Equity Method Investments [Table Text Block]

	Carrying Value
At December 31, (in thousands)	201 6		201 5
NKD Enterprises, LLC	$	64	$	107