Note 16 - Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2013

Discontinued Operations and Disposal Groups [Abstract]

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

	Year Ended December 31,
	2013			2012			2011
	(Dollars in thousands)
Revenues - electricity	$	4,866		$	12,635		$	11,553
Cost of revenues - electricity		2,869			7,219			8,428
Gross margin		1,997			5,416			3,125
Operating expenses:
Selling and marketing expenses		192			404			154
General and administrative expenses		140			201			519
Operating income		1,665			4,811			2,452
Income from discontinued operations before income taxes		5,311			4,811			2,452
Income tax provision		(614	)		(1,264	)		(295	)
Income from discontinued operations, net of taxes	$	4,697		$	3,547		$	2,157

Schedule of Amounts Recognized in Balance Sheet [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