Note 2 - Stock-based Compensation (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Jun. 30, 2014
Note 2 - Stock-based Compensation (Details) [Line Items]
Allocated Share-based Compensation Expense	$ 12,000	$ 21,000	$ 45,000	$ 61,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized					$ 22,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)			16,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)	0		0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period (in Shares)			12,000
The 2003 Plan [Member]
Note 2 - Stock-based Compensation (Details) [Line Items]
Number of Stock-Based Compensation Plans in Effect	2		2