CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Accounts receivable, allowances for doubtful accounts (in dollars) | $ 0 | $ 0 |
| Common shares, par value (in dollars per share) | $ 0 | $ 0 |
| Common shares, shares authorized | 500,000,000 | 500,000,000 |
| Common shares, shares issued | 381,027,002 | 202,478,702 |
| Common shares, shares outstanding | 380,678,902 | 200,538,902 |
| Treasury Stock, Shares | 0 | 1,451,700 |