Note 8 - Commitments and Contingencies (Details) (USD $)	3 Months Ended	9 Months Ended			0 Months Ended			1 Months Ended	0 Months Ended	3 Months Ended	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	May 12, 2014 Payment Due within 5 days of the Settlement [Member] Clearwater Environmental Services [Member]	May 12, 2014 Payment Due 90 Days after the Settlement [Member] Clearwater Environmental Services [Member]	May 12, 2014 Payment Due 180 Days after the Settlement [Member] Clearwater Environmental Services [Member]	Apr. 30, 2013 Clearwater Environmental Services [Member] Minimum [Member]	May 12, 2014 Clearwater Environmental Services [Member]	Mar. 31, 2014 Clearwater Environmental Services [Member]	Dec. 31, 2013 Clearwater Environmental Services [Member]
Note 8 - Commitments and Contingencies (Details) [Line Items]
Loss Contingency, Damages Sought, Value								$ 1,700,000
Litigation Settlement, Amount					236,000	235,000	235,000		706,000
Litigation Settlement, Expense	53,000	387,000	211,000							387,000	61,000
Payments for Legal Settlements											61,000
		$ 235,000		$ 259,000