Acquisition and Expansion of Heritage Global Partners, Inc. (Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended	1 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Feb. 29, 2012 Heritage Global Partners, Inc [Member]	Jun. 30, 2013 Heritage Global Partners, Inc [Member]
Business Acquisition, Percentage of Voting Interests Acquired			100.00%
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares			1,000,000
Business Acquisition Options Issued Number Of Options Issued			625,000
Weighted Average Exercise Price, Granted (in dollars per share)	$ 1.00	$ 2.04	$ 2
Allowance for Doubtful Accounts Receivable			$ 0	$ 0
Net Cash Paid for Business Acquisition	$ 0	$ 2,344	$ 2,344
Debt Instrument, Maturity Date			Aug. 31, 2012
Fair Value Assumptions, Expected Volatility Rate			133.00%
Fair Value Assumptions, Risk Free Interest Rate			1.25%
Fair Value Assumptions, Expected Term			4 years 9 months
Fair Value Assumptions, Expected Dividend Rate			0.00%

Number of options issued as portion of cost to acquire entity.

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- Definition

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

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Number of shares of equity interests issued or issuable to acquire entity.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

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Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

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Risk-free interest rate assumption used in valuing an instrument.

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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No definition available.

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