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Business Combination Cameleon (Details)	0 Months Ended	3 Months Ended		0 Months Ended	3 Months Ended	12 Months Ended
	Jan. 08, 2014 EUR (€)	Mar. 31, 2014 USD ($)	Mar. 31, 2013 USD ($)	Jan. 08, 2014 Cameleon Acquisition [Member] USD ($)	Mar. 31, 2014 Cameleon Acquisition [Member] USD ($)	Dec. 31, 2014 Cameleon Acquisition [Member]	Oct. 24, 2013 Cameleon Acquisition [Member]	Jan. 08, 2014 Premium on shares [Member] USD ($)	Jan. 08, 2014 Free shares [Member] USD ($)
Business Acquisition [Line Items]
TenderOfferAcquisitionThresholdPercentage							65.00%
Business Acquisition, Percentage of Voting Interests Acquired				81.70%
Percentage owned of outstanding warrants				94.00%
Noncontrolling interest percentage at the end of the period					89.30%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners					10.70%
Business Combination, Acquisition Related Costs		$ 1,390,000	$ 0		$ 700,000
Business Combination, Contingent Consideration, Liability								2,700,000	1,400,000
Premium to be paid per share	€ 0.15
Percentage ownership that triggers premium payment						95.00%
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents				7,086,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables				10,444,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets				1,329,000
Finite-lived Intangible Assets Acquired				18,653,000
Goodwill, Acquired During Period				16,227,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities				(13,009,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue				(5,392,000)	(3,054,000)
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value				(6,204,000)
Business Combination, Consideration Transferred				$ 29,134,000	$ 29,100,000

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of deferred revenue expected to be recognized as such within one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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