Consolidated Statements of Cash Flows (Parenthetical) (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Statement of Cash Flows [Abstract]
Software acquired in non-monetary exchange	$ 0	$ 257,000

- Definition

The net book value of a nonmonetary asset transferred or exchanged in connection with the acquisition of a business or asset in a noncash transaction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Nonmonetary assets and liabilities are assets and liabilities that will not result in cash receipts or cash payments in the future.

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