Note 1 - Interim Financial Statements (Details) (USD $)	9 Months Ended	3 Months Ended	6 Months Ended
	Sep. 30, 2014	Jun. 30, 2014 Overstatement of Tax Benefit and Deferred Tax Assets [Member]	Jun. 30, 2014 Overstatement of Tax Benefit and Deferred Tax Assets [Member]	Sep. 30, 2014 A-10 WRP Program [Member]	Jun. 30, 2014 A-10 WRP Program [Member]
Note 1 - Interim Financial Statements (Details) [Line Items]
Number of Financial Institutions with which Cash is Maintained	2
Cash, Uninsured Amount	$ 1,210,000
Quantifying Misstatement in Current Year Financial Statements, Amount		661,000	661,000
Loss Contingency, Estimate of Possible Loss, Percentage					41.00%
Loss Contingency, Estimate of Possible Loss					44,700,000
Loss Contingency, Estimate of Change in Cost of Sales				$ 2,600,000	$ 2,600,000