Weekly Update, March 27, 2007

• AKDSArkados Completes ASTER Acquisiton; Gains Important Intellectual Property; Reiterate Speculative Buy
• AMARAmarillo Biosciences Adds Sites In Two Clinical Studies; Reiterate Speculative Buy
• AMARAmarillo Biosciences To Announce Annual Financial Results; Reiterate Speculative Buy
• AMPXAmpex Reports 4th Quarter and Year-End 2006 Results; Eastman Kodak Summary Judgement Appealed; Strong Buy Rating Reiterated
• AMPXSEC Form 13D Amendment Filed on Behalf of Ampex Corporation;ValueVest Increases Ownership Position; Strong Buy Rating Reiterated
• AMPXAmpex Corporation Announces Release Date for FY2006 Results and Conference Call Info;We Preview the Numbers;Strong Buy Rating Reiterated
• AMSWAAmerican Software Reports 40% Increase In Operating Earnings
• APNSEstimates of Applied NeuroSolutions Targeted Market Grow; Strong Speculative Buy Reiterated
• BIPHBiophan Technologies Rating Maintained At Neutral; MRI Technologies Should Bring Revenues and Earnings
• CLRIClearant, Inc.: 10-K Filing Could Be Delayed.
• CRVHChilco River Announced Agreement In Principal To Secure Neccessary Funding For Completion of Bruce Hotel and Casino .
• DXPEDXP Enterprises Strong Buy Rating Maintained; Believe Investors Will Come To Increasingly Understand The Potential For Substantial Growth
• DXPEDXP Enterprises Reports Strong Fourth Quarter Results in Line With Dutton Associates Estimate; Stock Advances Over 10% in Late Trading; Reiterate $50 Price Target and Strong Buy Recommendation
• ELRNElron Reports Fiscal 2006 Results
• ELRNElron Acquires 34% Stake in Second Emerging Clean Water Technology Company
• FORGForgent Networks' Stock Weakness is Puzzling;Presents a Buying Opportunity;Reiterate Strong Speculative Buy Rating
• GPREGreen Plains Renewable Energy Rated Strong Speculative Buy In Update Coverage; Turn Profitable In The Fourth Quarter of 2007
• HRBNHarbin Electric Strong Speculative Buy Rating Reiterated in Update Report
• HRBNHarbin Electric's Robust Fourth Quarter and Non-cash Items Lifts Fiscal 2006 Financial Results; Earnings Forecasts for 2007 and 2008 and Price Target Under Review
• HYDGHydroGen Corporation Reports 2006 Results; Makes Progress On Business Plan; Speculative Buy Reiterated
• HYDGHydroGen Corp. Makes Progress On Growth Strategies; Fourth Quarter Preview
• INMDIntegraMed America, Inc.'s Fourth Quarter and FY2006 Results Reviewed; Strong Buy Rating Reiterated
• JYSRJoystar, Inc. Appoints New Chief Financial Officer;Strong Speculative Buy Reiterated
• KADArcadia Resources - Well-positioned to Benefit from Ongoing Changes in U.S. Healthcare - 60% Upside - Upgrade to BUY
• LMECLime Energy Co. Extends Rights Offering; Strong Speculative Buy Reiterated
• LMECLime Energy Co. Reports Preliminary Results of Q4/2006 and FY2006: Restructuring and Full Company Integration Completed in FY2006;Strong Speculative Buy Reiterated
• LMECLime Energy to Conduct Conference Call to Discuss 4Q/2006 and Full-Year 2006;Rights Offering Instructions Clarified;Strong Speculative Buy Reiterated
• LTRXLantronix Rating of Strong Speculative Buy Maintained; Expect Lantronix's Growth To Accelerate Over The Intermediate Term From The Introduction Of Multiple Products In The Past Two Years
• MAMMaine & Maritimes Corporation Names Brent Boyles President and CEO; Buy Reiterated.
• MAMMaine & Maritimes To Divest Unregulated Operations; Focus On Core Regulated Utility. Rating Upgraded From Speculative Buy to Buy.
• MBKRMortgageBrokers.com Details Strong Canadian Mortgage and Housing Market;Business Model in Place to Benefit From U.S. Slowdown;Strong Speculative Buy Rating Reiterated
• MDVNMedivation Presents Alzheimer's Data To International Conference; Reiterate Strong Speculative Buy
• MDVNMedivation Strong Speculative Buy Rating In Update Coverage;Three Promising Therapies With Potential To Advance Treatment Results In The Fights Against Alzheimer's disease, Huntington's disease and Prostate Cancer
• MNOVMediciNova To Present At Healthcare Conference; Reiterate Strong Speculative Buy
• NCOCNational Coal Fourth Quarter Results
• NEOPNeoprobe Upgraded to Strong Speculative Buy Rating in Update Report
• NXXINutrition 21. Strong Buy Rating Reiterated in Update Report
• ONIOragenics Expected To File 2006 Financial Results; Reiterate Speculative Buy
• OTDO2Diesel Corporation Quarter Previewed; Company Enters Into Supply Agreement With Fair Energy.
• OTDO2Diesel Speculative Buy Rating Reiterated In Update Coverage; Announces Acquisition of ProEcho Energy Who Is Building 100 mm Gallon Ethanol Plant
• PHLIPHLI announces a positive amendment to its agreement with Mott's LLP, a division of Cadbury Schweppes Americas Beverage
• PHLIPacificHealth Labs Announced Its Fourth Quarer And Year-end Results; Total Quarter Revenues Up 51.2% to $1.11 Million EPS Were ($0.03) Compared To Our $0.00 Estimate
• PNTRPointer Telocation (PNTR): Signs Another Acquisition MOU
• PVCTProvectus Expected To Soon Release 2006 Financial Results; Reiterate Strong Speculative Buy
• PVCTProvectus To Boost Investor Relations Capabilities, Increase Awareness; Reiterate Strong Speculative Buy
• QUSAQuestar Assessment, Inc.: Symbol Changes to QUSA; Buy Rating Maintained.
• QUSAQuestar Assessment, Inc.: 1QFY07 Revenue Up 212%; EBITDA Improves To $0.09 Per Share From $0.03 Per Share Loss; Buy Rating Maintained.
• QUSATouchstone Applied Sciences Rating Maintained At Buy; The Questar Acquisition Was The Defining Event of Fiscal 2006; Trading At Only 5.4x Projected Fiscal 2007 EBITDA Vs 15.5 Industry Average
• RZRaser Technology Receives AMP Note Payment
• RZRaser: Delays 10-K Until End of March
• SHMTShumate Shares Plunge, Then Recover after Warrant Exchange Offer
• WAVXWAVE TDM Shipping With Seagate Notebook PC Hard Drive
• XARXaar: Reiterate Buy Rating; Market Update
• XARXaar (LSE: XAR.L): 2006 Results Summary, Estimates Under Review
• XARXaar: To Report 2H 2006 on March 15. Results Preview