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Description of Business and Basis of Presentation (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | ||
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Mar. 31, 2013
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Mar. 31, 2012
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Dec. 31, 2012
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| Receivables from clearing brokers | $ 20,508 | $ 16,973 | |
| Net cash provided by operating activities | 3,140 | (2,926) | |
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Restatement Adjustment [Member]
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| Receivables from clearing brokers | 10,192 | ||
| Net cash provided by operating activities | $ 1,223 | ||
| X | ||||||||||
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- Definition
The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Cash and securities on deposit with the expectation that such deposits will be returned with organizations that provide efficient and orderly trade clearance and settlement services for which broker-dealers pay fees. Clearing organizations perform post trade processing and trade comparisons among numerous broker-dealers and act as settlement agents between buying and selling broker-dealers. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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