|
Selected Balance Sheet Data - Changes in Allowance for Doubtful Accounts (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||
| Balance at beginning of period | $ (129) | $ (143) | |
| Provision for losses on commissions receivable | 23 | 157 | 311 |
| Write-off of uncollectible commissions receivable | 30 | 14 | |
| Balance at end of period | (99) | (129) | (143) |
|
Commission receivable [Member]
|
|||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||
| Provision for losses on commissions receivable | |||
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|