Note 2 - Debt (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Total convertible debentures	$ 10,878,000	$ 11,144,000
Less: discount	(215,000)	(794,000)
Total convertible debentures, net of discount	10,663,000	10,350,000
Note 1
Total convertible debentures	305,000	305,000
Note 2
Total convertible debentures	45,000	64,000
Note 3
Total convertible debentures	125,000	125,000
Note 4
Total convertible debentures	40,000	140,000
Note 5
Total convertible debentures	95,000	225,000
Note 6
Total convertible debentures	390,000	425,000
Note 7
Total convertible debentures	149,000	172,000
Note 8
Total convertible debentures	2,590,000	3,140,000
Note 9
Total convertible debentures	1,221,000	1,250,000
Note 10
Total convertible debentures	1,689,000	2,175,000
Note 11
Total convertible debentures	500,000	500,000
Note 12
Total convertible debentures	300,000	330,000
Note 13
Total convertible debentures	150,000	190,000
Note 14
Total convertible debentures	200,000	200,000
Note 15
Total convertible debentures	0	150,000
Note 16
Total convertible debentures	1,503,000	1,503,000
Note 17
Total convertible debentures	225,000	250,000
Note 18
Total convertible debentures	924,000	0
Note 19
Total convertible debentures	232,000	0
Note 20
Total convertible debentures	$ 195,000	$ 0