Annualized estimated forfeiture rates for the Company's stock-based compensation awards.

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- Definition

The amount of unrecognized compensation costs related to stock-based compensation the company expects to amortize in year one following the balance sheet date.

+ References

No definition available.

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- Definition

Expected Amortization of unrecognized compensation costs in year three following balance sheet date.

+ References

No definition available.

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- Definition

Expected Amortization of unrecognized compensation costs in year two following balance sheet date.

+ References

No definition available.

+ Details

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- Definition

Maximum period of implied volatility of long-term exchange-traded options.

+ References

No definition available.

+ Details

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- Definition

Minimum period of implied volatility of long-term exchange-traded options.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

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-Topic 718

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

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CAPITAL STOCK, Allocated Share-Based Compensation Expense (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stock-Based Compensation Expense [Abstract]
Allocated share-based compensation expense	$ 11,513,000	$ 6,917,000	$ 11,432,000
Expected future amortization of unrecognized compensation cost [Abstract]
Total unrecognized compensation cost related to non-vested stock-based compensation awards	11,000,000
2012	6,600,000
2013	3,500,000
2014	900,000
Weighted-average recognition period of total unrecognized compensation cost (in years)	1 year 37 days
Cost of Products Revenues [Member]
Stock-Based Compensation Expense [Abstract]
Allocated share-based compensation expense	397,000	360,000	410,000
Cost of Services Revenues [Member]
Stock-Based Compensation Expense [Abstract]
Allocated share-based compensation expense	279,000	436,000	582,000
Research and Development Expense [Member]
Stock-Based Compensation Expense [Abstract]
Allocated share-based compensation expense	502,000	582,000	986,000
Marketing and Selling Expense [Member]
Stock-Based Compensation Expense [Abstract]
Allocated share-based compensation expense	3,658,000	1,778,000	3,754,000
General and Administrative Expense [Member]
Stock-Based Compensation Expense [Abstract]
Allocated share-based compensation expense	$ 6,677,000	$ 3,761,000	$ 5,700,000
Director [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Annualized estimated forfeiture rates	0.00%
Management [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Annualized estimated forfeiture rates	10.00%
Other Employees [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Annualized estimated forfeiture rates	15.00%
Employee Stock Option [Member] \| Time-based Vesting [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Period of implied volatility of long-term exchange-traded options, minimum	9
Period of implied volatility of long-term exchange-traded options, maximum	39
Maximum [Member] \| Employee Stock Option [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years