Note 12 - Stock-based Compensation - Summary of Stock Option and SARs Activity (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | |
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Dec. 31, 2016 |
Dec. 31, 2015 |
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Outstanding (in shares) | 102,680 | |
Outstanding (in dollars per share) | $ 46.71 | |
Outstanding (Year) | 5 years 153 days | 2 years 270 days |
Granted (in shares) | 87,871 | |
Granted (in dollars per share) | $ 1.60 | |
Granted (Year) | 9 years 292 days | |
Exercised (in shares) | 0 | |
Forfeited or expired (in shares) | 0 | |
Outstanding (in shares) | 190,551 | 102,680 |
Outstanding (in dollars per share) | $ 25.80 | $ 46.71 |
Outstanding | $ 632 | |
Exercisable (in shares) | 117,334 | |
Exercisable (in dollars per share) | $ 41.05 | |
Exercisable (Year) | 2 years 251 days | |
Exercisable | $ 106 | |
Vested and expected to vest (in shares) | 183,229 | |
Vested and expected to vest (in dollars per share) | $ 26.88 | |
Vested and expected to vest (Year) | 5 years 91 days | |
Vested and expected to vest | $ 580 |
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- Definition SharebasedCompensation Arrangement By Sharebased Payment Award Options, Grants in Period, Weighted Average Remaining Contractual Term No definition available.
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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