v2.4.0.6

Note 12 - Stockholders' Equity (Detail) (USD $) | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 0 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Oct. 31, 2011 Warrants Granted To Consultant [Member] | Dec. 31, 2012 Warrants Granted To Consultant [Member] | Dec. 31, 2011 Warrants Granted To Consultant [Member] | Dec. 31, 2012 Stock Options [Member] Maximum [Member] | Dec. 31, 2012 Stock Options [Member] | Dec. 31, 2011 Stock Options [Member] | Dec. 31, 2010 Stock Options [Member] | Dec. 31, 2012 Restricted Stock and Deferred Stock Unit Awards [Member] Maximum [Member] | Dec. 31, 2012 Restricted Stock and Deferred Stock Unit Awards [Member] | Dec. 31, 2011 Restricted Stock and Deferred Stock Unit Awards [Member] | Dec. 31, 2010 Restricted Stock and Deferred Stock Unit Awards [Member] | Oct. 31, 2011 Warrants Granted To Consultant [Member] | Sep. 07, 2011 September 2011 Securities Purchase Agreement [Member] | Dec. 31, 2011 2011 Registration Rights and Warrants Issuance [Member]
Common Stock, Shares Authorized (in Shares) | 50,000,000 | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share (in Dollars per share) | $ 0.01 | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Authorized (in Shares) | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Par or Stated Value Per Share (in Dollars per share) | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 150,000 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  |  | 6 months |  |  | 4 years |  |  |  |  |  |  |  |  |  |
Warrants Issued, Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  | 5 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value (in Dollars per share) |  |  |  | $ 2.00 |  |  |  |  |  |  |  |  |  |  |  |  |
Allocated Share-based Compensation Expense | $ 1,907,000 | $ 1,062,000 | $ 634,000 |  | $ 200,000 | $ 100,000 |  | $ 1,895,000 | $ 1,058,000 | $ 611,000 |  | $ 12,000 | $ 4,000 | $ 23,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period (in Shares) | 1,199,685 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | 1,971,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Stock Options Exercised |  | 33,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options | 2,274,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition |  |  |  |  |  |  |  | 3 years |  |  | 1 year |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized |  |  |  |  |  |  |  |  |  |  |  | 15,000 |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in Shares) |  | 3,666,665 |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,666,665 |
Stock Issued During Period, Value, New Issues |  | 6,418,000 | 10,020,000 |  |  |  |  |  |  |  |  |  |  |  |  | 6,600,000 |
Equity Issuance, Per Share Amount (in Dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.80 |
Proceeds From Issuance Of Common Stock, Net Of Issuance Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,418,000 |
Payments of Stock Issuance Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 182,000 |
Warrant Issuance, Percent of Fully Diluted Outstanding Shares of Common Stock To Be Granted For Each Full 30-Day Period Following the Filing Deadline or The Required Effectiveness Deadline |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00%
Warrant Issuance, Max Aggregate Percent of Fully Diluted Outstanding Shares of Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00%
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.80

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- Definition Requirement to grant the Purchasers warrants representing the right to purchase shares of its Common Stock in an aggregate amount equal to 1% of the fully diluted outstanding shares of Common Stock for each full 30-day period following the Filing Deadline or the Required Effectiveness Deadline + References No definition available. + Details
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809 + Details
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- Definition Face amount or stated value of common stock per share; generally not indicative of the fair market value per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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