This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.

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Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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- Definition

Number of shares issued which are neither cancelled nor held in the treasury.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Number of share options (or share units) exercised during the current period.

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Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Value of stock issued as a result of the exercise of stock options.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Amount of increase (decrease) in additional paid in capital (APIC) resulting from amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Non-controlling Interest	Total
Balance at Dec. 31, 2011	$ 3	$ 170,721	$ (41,842)		$ 197	$ 129,079
Balance (in shares) at Dec. 31, 2011	33,584,000
Issuance of common stock upon exercise of stock options	1	2,573				2,574
Issuance of common stock upon exercise of stock options (in shares)	1,899,000					1,899,000
Stock-based compensation expense		2,735				2,735
Excess (deficient) tax benefits from stock-based compensation		2,190				2,190
Non-controlling interests distributions					(103)	(103)
Net (loss) income			7,295		729	8,024us-gaap_ProfitLoss
Balance at Dec. 31, 2012	4	178,219	(34,547)		823	144,499
Balance (in shares) at Dec. 31, 2012	35,483,000
Issuance of common stock upon exercise of stock options (in shares)						461,000
Issuance of common stock under stock incentive plans		599				599
Issuance of common stock under stock incentive plans (in shares)	465,000
Repurchase and retirement of common stock			(4,848)			(4,848)
Repurchase and retirement of common stock (in shares)	(722,000)					(722,000)
Stock-based compensation expense		4,506				4,506
Excess (deficient) tax benefits from stock-based compensation		(397)				(397)
Non-controlling interests distributions					(608)	(608)
Net (loss) income			(3,968)		650	(3,318)us-gaap_ProfitLoss
Balance at Dec. 31, 2013	4	182,927	(43,363)		865	140,433
Balance (in shares) at Dec. 31, 2013	35,226,000
Issuance of common stock upon exercise of stock options (in shares)						458,000
Issuance of common stock under stock incentive plans		1,158				1,158
Issuance of common stock under stock incentive plans (in shares)	1,041,000
Shares withheld for taxes		(1,922)				(1,922)
Stock-based compensation expense		7,562				7,562
Non-controlling interests distributions					(623)	(623)
Net (loss) income			(19,521)		754	(18,767)us-gaap_ProfitLoss
Other comprehensive loss				(443)	32	(411)
Balance at Dec. 31, 2014	$ 4	$ 189,725	$ (62,884)	$ (443)	$ 1,028	$ 127,430
Balance (in shares) at Dec. 31, 2014	36,267,000