XML 72 R36.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Accounts receivable (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Receivables [Abstract] |
Schedule of accounts receivable |
|  | December 31, 2015 |  |  | December 31, 2014 |
Accounts receivable – trade |  | $ | 24,028 |  |  | $ | 54,733 |
Accounts receivable – holdbacks |  | — |  |  | 10,741 |
Accounts receivable – other |  | 708 |  |  | 1,029 |
|  | $ | 24,736 |  |  | $ | 66,503 |

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration