v3.8.0.1

Note 7 - Long-term Debt (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Maturities of Long-term Debt [Table Text Block] |
20 18 |  | $ | 9,350 |
2019 |  |  | 9,350 |
20 20 |  |  | 3,704 |
Total payments |  |  | 22,404 |
Less amount representing interest |  |  | (2,420 | )
Notes payable, gross |  |  | 19,984 |
Unamortized portion of final payment |  |  | (741 | )
Unamortized discount on notes payable |  |  | (147 | )
Long-term debt |  |  | 19,096 |
Less current portion of notes payable, including unamortized discount |  |  | (7,727 | )
Long-term debt, current portion |  | $ | 11,369 |

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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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