Acquisition (Details) (USD $)	12 Months Ended
Dec. 31, 2012
Acquisition (Additional Textual) [Abstract]
Date of the acquisition	May 31, 2012
Potential cash payments from contingent consideration, period of measurement (in years)	3 years
Goodwill related to acquisition, tax deductible	$ 3,100,000
Javers Group [Member]
Acquisition (Textual) [Abstract]
Cash paid for acquisition	3,200,000
Fair value of contingent consideration	842,000
Goodwill	3,100,000
Customer related intangibles	989,000
Customer related intangibles amortized period	8 years
Javers Group [Member] \| Maximum [Member]
Acquisition (Textual) [Abstract]
Potential cash payments from contingent consideration	1,700,000
Javers Group [Member] \| Minimum [Member]
Acquisition (Textual) [Abstract]
Potential cash payments from contingent consideration	$ 0

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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Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

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Amount of potential cash payments that could result from the contingent consideration arrangement.

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Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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Potential cash payments from contingent consideration, period of measurement (in years).

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