Accounts Receivable	6 Months Ended
Accounts Receivable	Jun. 30, 2013
Receivables [Abstract]
Accounts Receivable	8. Accounts Receivable The Company performs ongoing credit evaluations of its customers and generally does not require collateral. The Company maintains reserves for estimated credit losses, and those losses have been within management’s estimates. Allowances for product returns are included in other adjustments to accounts receivable on the accompanying consolidated balance sheets. Product returns are estimated based on historical experience and management estimations.

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

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