Note 10 - Change on Accounting Method (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Mar. 31, 2019 |
Dec. 31, 2018 |
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| Additional Paid in Capital | $ 521,305 | $ 543,327 | $ 540,171 |
| Accumulated Deficit | (269,499) | $ (533,195) | $ (528,685) |
| Change in Warrant Liability | $ 0 | ||
| Earnings Per Share | $ (8.60) | ||
| Previously Reported | |||
| Additional Paid in Capital | $ 519,702 | ||
| Accumulated Deficit | (267,896) | ||
| Change in Warrant Liability | $ 925 | ||
| Earnings Per Share | $ (8.54) | ||
| Revisions | |||
| Additional Paid in Capital | $ 1,603 | ||
| Accumulated Deficit | (1,603) | ||
| Change in Warrant Liability | $ (925) | ||
| Earnings Per Share | $ (0.06) |
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- Definition Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of gain (loss) recognized in income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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