Acquisitions (Acquisition of Systems Solutions Australia Pty Limited (MessageManager)) (Details) (System Solutions Australia Pty Limited [Member], USD $)	1 Months Ended
Oct. 31, 2011	Jun. 30, 2012
System Solutions Australia Pty Limited [Member]
Business Acquisition [Line Items]
Total purchase consideration	$ 3,300,000
Cash consideration paid	2,900,000
Cash acquired from acquisition	1,200,000
Unpaid consideration, held back	400,000
Acquisition-related costs		$ 60,000

Amount of cash paid to acquire the entity.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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