Reflects the maximum percentage of concentration risk.

No definition available.

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- Definition

Reflects the amount of negative cash balance included in accounts payable and accrued liabilities as of the reporting period.

+ References

No definition available.

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- Definition

Revenue and gross profit reduction related to contract

+ References

No definition available.

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ 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))
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-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.5-02(4))
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Period Type:	instant

- Definition

Amount of recoveries of receivables doubtful of collection that were previously charged off.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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-Section 50
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Period Type:	duration

- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
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- Definition

Amount before tax of foreign currency transaction realized and unrealized loss recognized in the income statement.

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-Publisher FASB
-Name Accounting Standards Codification
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Balance Type:	debit
Period Type:	duration

- Details

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- Details

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Data Type:	na
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- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
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- Details

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- Details

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Description of Business and Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Jan. 01, 2017
Concentration Risk [Line Items]
Accounts and other receivables	$ 119,335		$ 119,335	$ 105,549
Negative cash book balance	$ 2,906		2,906	5,044
Revenue and gross profit reduction related to contract		$ 2,600
Foreign currency transaction loss			$ 300	$ 200	$ 2,000
Ownership percentage	10.00%		10.00%
Cumulative Effect of New Accounting Principle in Period of Adoption						$ 97
Single Automotive Customer [Member]
Concentration Risk [Line Items]
Maximum concentration risk percentage			10.00%
Selling, General and Administrative Expenses [Member]
Concentration Risk [Line Items]
Bad debt reserve	$ 1,300
Accounts Receivable [Member] \| Automotive Industry [Member] \| Single Automotive Customer [Member]
Concentration Risk [Line Items]
Concentration risk (percent)			15.00%
Accounts and other receivables	18,300		$ 18,300
Accounts Receivable [Member] \| Financial & Insurance Industry [Member] \| Single Financial Services Customer [Member]
Concentration Risk [Line Items]
Concentration risk (percent)			16.00%
Accounts and other receivables	$ 26,100		$ 26,100
Sales Revenue, Net [Member] \| Automotive Industry [Member]
Concentration Risk [Line Items]
Concentration risk (percent)			22.00%	22.00%	19.00%
Sales Revenue, Net [Member] \| Automotive Industry [Member] \| Single Automotive Customer [Member]
Concentration Risk [Line Items]
Concentration risk (percent)			13.00%	13.00%
Sales Revenue, Net [Member] \| Financial & Insurance Industry [Member]
Concentration Risk [Line Items]
Concentration risk (percent)			20.00%	21.00%	21.00%
Sales Revenue, Net [Member] \| Financial & Insurance Industry [Member] \| Single Financial Services Customer [Member]
Concentration Risk [Line Items]
Concentration risk (percent)			14.00%	15.00%
Retained Earnings
Concentration Risk [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption						$ (137)