Note 11 - Fair Value Measures (Details) - Assets and Liabilities Measured at Fair Value (USD $)	Jun. 30, 2014	May 27, 2014	Apr. 14, 2014	Dec. 31, 2013	Jun. 30, 2013	Feb. 22, 2013	Jan. 16, 2013	Dec. 31, 2012
Note 11 - Fair Value Measures (Details) - Assets and Liabilities Measured at Fair Value [Line Items]
Convertible notes	$ 4,653,000			$ 4,537,000
Warrant liabilities	10,000			2,680,000
Total Liabilities	4,663,000	7,793,000	7,536,000	7,217,000	11,064,000	17,490,000	12,592,000	11,898,000
Fair Value, Inputs, Level 3 [Member]
Note 11 - Fair Value Measures (Details) - Assets and Liabilities Measured at Fair Value [Line Items]
Convertible notes	4,653,000			4,537,000
Warrant liabilities	10,000			2,680,000
Total Liabilities	$ 4,663,000			$ 7,217,000