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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2016
Schedule II - Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (All dollar amounts expressed in thousands of U.S. dollars)
|  | Balance at Beginning of Year |  |  | Charged to Costs and Expenses |  |  | Charged to Other Accounts |  |  | Deductions |  |  | Balance at End of Year |
Year ended December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 167 |  |  | $ | - |  |  | $ | - |  |  | $ | (18 | ) |  | $ | 149 |
Deferred tax asset valuation allowance |  | $ | 19,658 |  |  | $ | - |  |  | $ | 1,962 |  |  | $ | - |  |  | $ | 21,620 |
Year ended December 31, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 167 |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | 167 |
Deferred tax asset valuation allowance |  | $ | 16,946 |  |  | $ | - |  |  | $ | 2,712 |  |  | $ | - |  |  | $ | 19,658 |
Year ended December 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  |  |  |  |  | $ | 167 |  |  | $ | - |  |  | $ | - |  |  | $ | 167 |
Deferred tax asset valuation allowance |  | $ | 12,335 |  |  | $ | - |  |  | $ | 4,611 |  |  | $ | - |  |  | $ | 16,946 |

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration