XML 31 R13.htm IDEA: XBRL DOCUMENT
v3.19.1

Note 7 - Convertible Debt | 12 Months Ended
--- | ---
Dec. 31, 2018
Notes to Financial Statements |
Debt Disclosure [Text Block] | 7. Convertible Debt The components of debt outstanding at December 31, 2017 was as follows:
|  | December 31, 2017 |
Series B convertible notes |  |  | 550,000 |
Less current portion |  |  | (550,000 | )
Long-term debt, net of current portion |  | $ | — |
Upon maturity of the Series B convertible debt during the second quarter of 2018, the Company repaid the outstanding principal and interest of approximately $0.6 million and $40,000, respectively. As such, the Company does not have any debt outstanding as of December 31, 2018. For the years ended December 31, 2018 and 2017, the Company recognized interest expense of approximately $3,000 and $0.1 million, respectively in connection with its convertible debt instruments. Accrued interest was $37,000 as of December 31, 2017.

X
- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
Name: | us-gaap_DebtDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration