Acquisition and Expansion of Heritage Global Partners, Inc. (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		1 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Feb. 29, 2012 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			$ 2.00
Allowance for Doubtful Accounts Receivable	$ 0		$ 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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- Definition

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

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- Definition

Percentage of voting equity interests acquired in the business combination.

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- Definition

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

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Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded.

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