Shareholders' Equity and Capital Stock - Non-compensation transactions (Details) - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Feb. 29, 2016 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Aug. 19, 2014 |
|
| Shareholders' Equity and Capital Stock [Abstract] | |||||
| Common shares issued value | $ 7,399 | $ 1,076 | $ 5,684 | ||
| Shares Authorized Value | $ 100,000 | ||||
| Gross proceeds | $ 5,700 | 1,200 | 108 | ||
| Net proceeds | 1,100 | 105 | |||
| Amount received after deducting other costs | $ 13 | ||||
| Sale of Stock, Number of Shares Issued in Transaction | 12,921,000 | 164,979 | |||
| Stock issuance costs | $ 800 | $ 902 | $ 93 | $ 884 | |
| Sale of Stock, Price Per Share | $ 0.50 | $ 0.65 | |||
| X | ||||||||||
- Definition The amount received on sale of stock after deducting other costs associated with completion of agreement. No definition available.
|
| X | ||||||||||
- Definition Shares Authorized Value No definition available.
|
| X | ||||||||||
- Definition Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Cash received on stock transaction after deduction of issuance costs. No definition available.
|
| X | ||||||||||
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. No definition available.
|
| X | ||||||||||
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. No definition available.
|
| X | ||||||||||
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|