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Note 2 - Debt (Details) - USD ($) | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Total convertible debentures | $ 0 | $ 11,144,000
Less: discount | 0 | (794,000)
Total convertible debentures, net of discount | 0 | 10,350,000
Total short term convertible debentures, net of discount | 0 | 10,350,000
Convertible Debt 1 |  |
Total convertible debentures | 0 | 305,000
Convertible Debt 2 |  |
Total convertible debentures | 0 | 64,000
Convertible Debt 3 |  |
Total convertible debentures | 0 | 125,000
Convertible Debt 4 |  |
Total convertible debentures | 0 | 140,000
Convertible Debt 5 |  |
Total convertible debentures | 0 | 225,000
Convertible Debt 6 |  |
Total convertible debentures | 0 | 425,000
Convertible Debt 7 |  |
Total convertible debentures | 0 | 172,000
Convertible Debt 8 |  |
Total convertible debentures | 0 | 3,140,000
Convertible Debt 9 |  |
Total convertible debentures | 0 | 1,250,000
Convertible Debt 10 |  |
Total convertible debentures | 0 | 2,175,000
Convertible Debt 11 |  |
Total convertible debentures | 0 | 500,000
Convertible Debt 12 |  |
Total convertible debentures | 0 | 330,000
Convertible Debt 13 |  |
Total convertible debentures | 0 | 190,000
Convertible Debt 14 |  |
Total convertible debentures | 0 | 200,000
Convertible Debt 15 |  |
Total convertible debentures | 0 | 150,000
Convertible Debt 16 |  |
Total convertible debentures | 0 | 1,503,000
Convertible Debt 17 |  |
Total convertible debentures | 0 | 250,000
Convertible Debt 18 |  |
Total convertible debentures | 0 | 0
Convertible Debt 19 |  |
Total convertible debentures | 0 | 0
Convertible Debt 20 |  |
Total convertible debentures | 0 | 0
Convertible Debt 21 |  |
Total convertible debentures | 0 | 0
Convertible Debt 22 |  |
Total convertible debentures | $ 0 | $ 0

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- Definition Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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