The amount of expense, net of income tax, 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.

No definition available.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, 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)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Stock-Based Compensation (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended		12 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation
Stock-based compensation expense, net of tax	$ 99	$ 11	$ 1,193	$ 58
Expiration period	10 years
Minimum
Share-based Compensation
Vesting period	2 years
Maximum
Share-based Compensation
Vesting period	4 years
Research and Development
Share-based Compensation
Stock-based compensation expense, net of tax	27	8	228	30
Sales and Marketing
Share-based Compensation
Stock-based compensation expense, net of tax	40	1	147	7
General and Administrative Expenses
Share-based Compensation
Stock-based compensation expense, net of tax	$ 32	$ 2	$ 818	$ 21