Note 9 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2016			2015
Federal statutory rate		34.0	%		34.0	%
State taxes, net of federal tax benefit		5.5			5.5
Recapture of alternative minimum tax		–			–
Valuation allowance		(39.5	)		(39.5	)
Effective tax rate		–	%		–	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	December 31,
In thousands	2016			2015
Net operating loss carry forwards	$	80,920		$	71,557
Deferred tax assets, net		2,489			4,953
Subtotal		83,409			76,510
Valuation allowance		(83,409	)		(76,510	)
Total deferred tax asset	$	-		$	-

Summary of Operating Loss Carryforwards [Table Text Block]

Approximate Amount of Unused  Operating Loss Carry Forwards (in $000s)		Expiration During Year Ended
$	7,136		2023
	15,647		2024
	8,168		2025
	7,361		2026
	11,905		2028
	18,547		2029
	18,145		2030
	21,386		2031
	20,558		2032
	10,321		2033
	22,906		2034
	21,338		2035
	21,444		2036
$	204,862