Note 18 - Restatement (Tables)

12 Months Ended

Dec. 31, 2014

Restatement of Deferred Tax Assets [Member]

Note 18 - Restatement (Tables) [Line Items]

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

(in thousands)	2014 as restated			2014 as reported
Deferred tax assets:
Federal, state and foreign loss carryforwards	$	3,862		$	7,039
Capital loss carryforward		3,570			--
Capitalized research and development		--			241
Deferred revenue		71			71
Federal and state tax credits		520			2,269
Other		503			503
Total deferred tax asset		8,526			10,123
Less valuation allowance		(8,526	)		(10,123	)
Net deferred tax asset	$	--		$	--

Restatement of Operating Loss Carryforwards [Member]

Note 18 - Restatement (Tables) [Line Items]

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

(in thousands)	2014 as restated		2014 as reported
2019	$	--	$	2,901
2021		689		1,184
2022		849		1,083
2023		--		1,302
Thereafter		9,498		13,642
Total	$	11,036	$	20,112