Note 8 - Convertible Notes Payable - Convertible Debt (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Mar. 18, 2013
Debt Instrument, Interest Rate, Stated Percentage			2.00%
Debt Instrument, Face Amount	$ 7,050,000	$ 7,275,000
Convertible Notes Payable	0	0
Convertible notes payable, current portion	50,000	75,000
Convertible notes payable, related parties, long term, net of current portion	5,825,000	5,850,000
Non-Related Party [Member]
Convertible notes payable, current portion	50,000	75,000
Convertible notes payable, related parties, long term, net of current portion	1,175,000	1,350,000
Related Party [Member]
Convertible notes payable, current portion	$ 5,825,000	$ 5,850,000
Convertible Note Payable 10% $862,500 [Member]
Maturity date	Jun. 30, 2004	Jun. 30, 2004
Debt Instrument, Interest Rate, Stated Percentage	10.00%	10.00%
Debt Instrument, Face Amount	$ 50,000	$ 75,000
Convertible Notes Payable	0	0
Convertible Note Payable 10% $862,500 [Member] | Non-Related Party [Member]
Convertible notes payable, current portion	50,000	75,000
Convertible notes payable, related parties, long term, net of current portion	0	0
Convertible Note Payable 10% $862,500 [Member] | Related Party [Member]
Convertible notes payable, current portion	$ 0	$ 0
Convertible Notes Payable 10% $150,000 [Member]
Maturity date	Apr. 01, 2018	Apr. 01, 2017
Debt Instrument, Interest Rate, Stated Percentage	10.00%	10.00%
Debt Instrument, Face Amount	$ 150,000	$ 150,000
Convertible Notes Payable	0	0
Convertible Notes Payable 10% $150,000 [Member] | Non-Related Party [Member]
Convertible notes payable, current portion	0	0
Convertible notes payable, related parties, long term, net of current portion	150,000	150,000
Convertible Notes Payable 10% $150,000 [Member] | Related Party [Member]
Convertible notes payable, current portion	$ 0	$ 0
Convertible Notes Payable 10% $2,120,000 [Member]
Maturity date	Apr. 01, 2020	Apr. 01, 2017
Debt Instrument, Interest Rate, Stated Percentage	10.00%	10.00%
Debt Instrument, Face Amount	$ 1,770,000	$ 1,770,000
Convertible Notes Payable	0	0
Convertible Notes Payable 10% $2,120,000 [Member] | Non-Related Party [Member]
Convertible notes payable, current portion	0	0
Convertible notes payable, related parties, long term, net of current portion	0	0
Convertible Notes Payable 10% $2,120,000 [Member] | Related Party [Member]
Convertible notes payable, current portion	$ 1,770,000	$ 1,770,000
Convertible Notes Payable 12 Percent 375,000 [Member]
Maturity date	Apr. 01, 2018
Debt Instrument, Interest Rate, Stated Percentage	12.00%
Debt Instrument, Face Amount	$ 200,000
Convertible Notes Payable	0
Convertible Notes Payable 12 Percent 375,000 [Member] | Non-Related Party [Member]
Convertible notes payable, current portion	0
Convertible notes payable, related parties, long term, net of current portion	200,000
Convertible Notes Payable 12 Percent 375,000 [Member] | Related Party [Member]
Convertible notes payable, current portion	$ 0
Convertible Notes Payable 12 Percent 260,000 [Member]
Maturity date		Apr. 01, 2017
Debt Instrument, Interest Rate, Stated Percentage		12.00%
Debt Instrument, Face Amount		$ 260,000
Convertible Notes Payable		0
Convertible Notes Payable 12 Percent 260,000 [Member] | Non-Related Party [Member]
Convertible notes payable, current portion		0
Convertible notes payable, related parties, long term, net of current portion		260,000
Convertible Notes Payable 12 Percent 260,000 [Member] | Related Party [Member]
Convertible notes payable, current portion		$ 0
Convertible Notes Payable12 Percent,100,000 [Member]
Maturity date	Apr. 01, 2020
Debt Instrument, Interest Rate, Stated Percentage	12.00%
Debt Instrument, Face Amount	$ 100,000
Convertible Notes Payable	0
Convertible Notes Payable12 Percent,100,000 [Member] | Non-Related Party [Member]
Convertible notes payable, current portion	0
Convertible notes payable, related parties, long term, net of current portion	100,000
Convertible Notes Payable12 Percent,100,000 [Member] | Related Party [Member]
Convertible notes payable, current portion	$ 0
Convertible Notes Payable, 12%, $4,570,000 [Member]
Maturity date	Apr. 01, 2020	Apr. 01, 2017
Debt Instrument, Interest Rate, Stated Percentage	12.00%	12.00%
Debt Instrument, Face Amount	$ 4,055,000	$ 4,055,000
Convertible Notes Payable	0	0
Convertible Notes Payable, 12%, $4,570,000 [Member] | Non-Related Party [Member]
Convertible notes payable, current portion	0	0
Convertible notes payable, related parties, long term, net of current portion	0	0
Convertible Notes Payable, 12%, $4,570,000 [Member] | Related Party [Member]
Convertible notes payable, current portion	$ 4,055,000	$ 4,055,000
Convertible Notes Payable, 12%, $215,000 [Member]
Maturity date		Apr. 01, 2018
Debt Instrument, Interest Rate, Stated Percentage		12.00%
Debt Instrument, Face Amount		$ 215,000
Convertible Notes Payable		0
Convertible Notes Payable, 12%, $215,000 [Member] | Non-Related Party [Member]
Convertible notes payable, current portion		0
Convertible notes payable, related parties, long term, net of current portion		215,000
Convertible Notes Payable, 12%, $215,000 [Member] | Related Party [Member]
Convertible notes payable, current portion		$ 0
Convertible Notes Payable, 12%, $100,000 issued 9/30/2009, Second Issuance [Member]
Maturity date	Apr. 01, 2018	Apr. 01, 2018
Debt Instrument, Interest Rate, Stated Percentage	12.00%	12.00%
Debt Instrument, Face Amount	$ 100,000	$ 100,000
Convertible Notes Payable	0	0
Convertible Notes Payable, 12%, $100,000 issued 9/30/2009, Second Issuance [Member] | Non-Related Party [Member]
Convertible notes payable, current portion	0	0
Convertible notes payable, related parties, long term, net of current portion	100,000	100,000
Convertible Notes Payable, 12%, $100,000 issued 9/30/2009, Second Issuance [Member] | Related Party [Member]
Convertible notes payable, current portion	$ 0	$ 0
Convertible Notes Payable, 12%, $25,000 [Member]
Maturity date		Apr. 01, 2018
Debt Instrument, Interest Rate, Stated Percentage		12.00%
Debt Instrument, Face Amount		$ 25,000
Convertible Notes Payable		0
Convertible Notes Payable, 12%, $25,000 [Member] | Non-Related Party [Member]
Convertible notes payable, current portion		0
Convertible notes payable, related parties, long term, net of current portion		0
Convertible Notes Payable, 12%, $25,000 [Member] | Related Party [Member]
Convertible notes payable, current portion		$ 25,000
Convertible Notes Payable 12% 1,300,000 [Member]
Maturity date	Apr. 01, 2020	Apr. 01, 2017
Debt Instrument, Interest Rate, Stated Percentage	12.00%	12.00%
Debt Instrument, Face Amount	$ 625,000	$ 625,000
Convertible Notes Payable	0	0
Convertible Notes Payable 12% 1,300,000 [Member] | Non-Related Party [Member]
Convertible notes payable, current portion	0	0
Convertible notes payable, related parties, long term, net of current portion	625,000	625,000
Convertible Notes Payable 12% 1,300,000 [Member] | Related Party [Member]
Convertible notes payable, current portion	$ 0	$ 0