Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Common Stock [Member]	Paid-In Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2014	$ 25	$ 233,524	$ (202,154)	$ (258)	$ 31,137us-gaap_StockholdersEquity
Balance shares at Dec. 31, 2014	25,192,669
Net loss			(3,761)		(3,761)us-gaap_NetIncomeLoss
Common stock and common stock purchase warrants issued, net of issuance costs	5	5,660			5,665
Common stock and common stock purchase warrants issued, net of issuance costs, shares	4,160,500
Common stock issued for loan interest and fees		199			199
Common stock issued for loan interest and fees, shares	102,912
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes		454			454
Stock compensation expense and related share issuances, net of shares withheld for the payment of taxes, shares	185,446
Minimum withholding taxes on net share settlements of equity awards		(123)			(123)
Balance at Mar. 31, 2015	$ 30	$ 239,714	$ (205,915)	$ (258)	$ 33,571us-gaap_StockholdersEquity
Balance shares at Mar. 31, 2015	29,641,527

Common Stock And Common Stock Purchase Warrants Issued Net Of Issuance Costs.

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- Definition

Common Stock And Common Stock Purchase Warrants Issued Net Of Issuance Costs Shares.

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No definition available.

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- Definition

Stock issued during period shares issued for payment of loan interest and fees.

+ References

No definition available.

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- Definition

Value of shares issued during the period for payment of loan interest and fees.

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- Definition

The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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No definition available.

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- Definition

This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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- Definition

Number of shares issued which are neither cancelled nor held in the treasury.

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No definition available.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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-Subparagraph (SX 210.5-02.29-31)

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Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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