Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

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Intangible Assets (Details Textual) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended			0 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Mar. 12, 2015	Mar. 11, 2015
Finite Lived Intangible Assets [Line Items]
Amortization of other intangibles	$ 898us-gaap_AmortizationOfIntangibleAssets	$ 904us-gaap_AmortizationOfIntangibleAssets	$ 908us-gaap_AmortizationOfIntangibleAssets	$ 983us-gaap_AmortizationOfIntangibleAssets	$ 1,132us-gaap_AmortizationOfIntangibleAssets	$ 1,219us-gaap_AmortizationOfIntangibleAssets	$ 1,260us-gaap_AmortizationOfIntangibleAssets	$ 1,194us-gaap_AmortizationOfIntangibleAssets	$ 7,127us-gaap_AmortizationOfIntangibleAssets	$ 8,330us-gaap_AmortizationOfIntangibleAssets	$ 7,559us-gaap_AmortizationOfIntangibleAssets
Trade Names [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of other intangibles									3,709	4,671	4,633
Software Technology [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of other intangibles									3,418	3,659	2,926
Gennius [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets													1,800
Weighted average amortization period												10 years
Gennius [Member] \| Software Technology [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets	1,800								1,800
Weighted average amortization period												10 years
Mirth [Member] \| Trade Names [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets										1,350
Mirth [Member] \| Software Technology [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets										$ 22,200