Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

v2.4.0.6
Income Taxes (Details) (USD $)
1 Months Ended 12 Months Ended
Jan. 31, 2007
Mar. 31, 2013
Mar. 31, 2012
Income Taxes [Abstract]      
Percentage of cumulative ownership change considered for limitations on net operating losses   50.00%  
Period of cumulative ownership change considered for limitations on net operating losses   3 years  
Accrued interest and penalties related to uncertain tax positions   $ 0  
Components of income (loss) from continuing operations before income taxes [Abstract]      
Domestic   (4,056,000) (4,543,000)
Foreign   0 0
Loss before income tax benefit   (4,056,000) (4,543,000)
Current [Abstract]      
U.S. Federal   0 0
State and Local   0 0
Foreign (credit)   0 0
Total current tax expense (benefit)   0 0
Deferred [Abstract]      
U.S. Federal   (83,000) 0
State and Local   0 0
Foreign (credit)   0 0
Total deferred tax expense   (83,000) 0
Total income tax expense (benefit)   (83,000) 0
Income tax reconciliation [Abstract]      
Federal tax expense (benefit) at U.S. Statutory Rate   (1,335,000) (486,000)
State tax expense (benefit) net of federal tax effect   (246,000) (90,000)
Change in valuation allowance   4,572,000 26,000
Tax effect of acquired net operating loss carryforwards   (3,123,000) 0
Other items   215,000 550,000
Total income tax expense (benefit)   (83,000) 0
Components of deferred tax assets [Abstract]      
Accruals, reserves and other   1,740,000 1,566,000
Net operating loss carryforwards   43,446,000 38,140,000
Credit carryforward   2,237,000 2,233,000
Uniform cap adjustment   0 0
Impairment on investment   0 548,000
Other   484,000 848,000
Gross deferred tax assets   47,907,000 43,335,000
Valuation allowance   (47,907,000) (43,335,000)
Net deferred tax asset   0 0
Reduction to deferred tax assets for unrecognized tax benefits 1,400,000    
Tabular Reconciliation of Unrecognized Tax Benefits [Roll Forward]      
Balance at beginning of period   833,000 844,000
Increase/(Decrease) of unrecognized tax benefits taken in prior years   0 0
Increase/(Decrease) of unrecognized tax benefits related to current year   2,000 3,000
Increase/(Decrease) of unrecognized tax benefits related to settlements   0 0
Reductions to unrecognized tax benefits related to lapsing statute of limitations   (13,000) (14,000)
Balance at end of period   822,000 833,000
Total interest and penalties   0  
Valuation allowance change in amount   5,000,000 400,000
Federal [Member]
     
Operating Loss Carryforwards [Line Items]      
Net operating loss carryforwards   111,800,000  
Expiration dates   March 31, 2020  
Federal [Member] | Research and Experimentation Tax Credit Carryforward [Member]
     
Tax Credit Carryforward [Line Items]      
Tax credit carryforward, amount   1,300,000  
Tax credit carryforward, expiration date   Mar. 31, 2012  
California [Member]
     
Operating Loss Carryforwards [Line Items]      
Net operating loss carryforwards   64,900,000  
Expiration dates   March 31, 2013  
California [Member] | Research and Experimentation Tax Credit Carryforward [Member]
     
Tax Credit Carryforward [Line Items]      
Tax credit carryforward, amount   $ 800,000