Note 16 - Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2014

Note 16 - Discontinued Operations (Tables) [Line Items]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]

	Year Ended December 31,
	2014		2013			2012
	(Dollars in thousands)
Revenues - electricity	$	—	$	4,866		$	12,635
Cost of revenues - electricity		—		2,869			7,219
Gross margin		—		1,997			5,416
Operating expenses:
Selling and marketing expenses		—		192			404
General and administrative expenses		—		140			201
Operating income		—		1,665			4,811
Income from discontinued operations before income taxes		—		5,311			4,811
Income tax provision		—		(614	)		(1,264	)
Income from discontinued operations, net of taxes	$	—	$	4,697		$	3,547

Balance Sheet [Member]

Note 16 - Discontinued Operations (Tables) [Line Items]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]

	(Dollars in thousands)
Cash and cash equivalents	$	52
Accounts receivable		2,274
Prepaid expenses and other		167
Property, plant and equipment		3,935
Accounts payable and accrued expenses		(493	)
Deferred income taxes		(442	)
Accrued severance pay		(313	)
Other liabilities		(590	)
Net assets	$	4,590