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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Accounting Policies (Details) (USD $)
0 Months Ended 12 Months Ended
Oct. 02, 2012
Sep. 12, 2012
Jul. 02, 2012
Apr. 02, 2012
Feb. 15, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Preferred stock revaluation           $ 0 $ 6,066,000 $ 0
Deferred revenue           1,171,000 1,377,000  
Stock options, granted, contractual term           10 years    
Non-cash stock-based compensation           731,000 1,010,000 (14,000)
Stock options, granted 154,500 250,000 227,500 49,000 100,000 781,000 2,440,500 125,000
Stock options, fair value assumptions, dividend yield           0.00% 0.00% 0.00%
Other accrued liabilities           3,686,000 2,782,000  
Foreign currency translation adjustment, net of tax           99,000 54,000 (56,000)
Foreign currency translation loss           (100,000) (100,000) (300,000)
Preferred Stock Expense           0 0  
Federal grant income, net of consulting fees           200,000 600,000  
Reclassification of other comprehensive income (loss)             0  
Options, warrants and conversion rights, common stock callable and antidilutive (in shares)           29,660,038 17,648,273 18,607,229
Pharmacogenomic services
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Deferred revenue           200,000 100,000  
Diagnostic tools
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Other accrued liabilities           1,000,000 1,300,000  
Additional Paid-in Capital
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Non-cash stock-based compensation           731,000 1,010,000 (14,000)
Accumulated Other Comprehensive Income (Loss)
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Foreign currency translation adjustment, net of tax           99,000 54,000 (56,000)
Reclassification of other comprehensive income (loss)             (1,307,000)  
Warrant
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Preferred stock revaluation             5,800,000  
Common Stock
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Preferred stock revaluation             300,000  
Accumulated Deficit
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Reclassification of other comprehensive income (loss)             1,307,000  
Minimum
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock options, unvested options, vesting period           1 year    
Stock options, fair value assumptions, risk free interest rate           0.62% 0.92% 1.17%
Stock options, fair value assumptions, historical volatility rate           101.00% 105.00% 103.00%
Stock options, fair value assumptions, forfeiture rate           2.00% 1.00% 2.00%
Maximum
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock options, unvested options, vesting period           3 years    
Stock options, fair value assumptions, risk free interest rate           1.03% 2.16% 1.98%
Stock options, fair value assumptions, historical volatility rate           114.00% 107.00% 105.00%
Stock options, fair value assumptions, forfeiture rate           4.00% 4.00% 3.00%
Accumulated Other Comprehensive Income (Loss)
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Foreign currency translation adjustment, net of tax           $ 70,000 $ (69,000)  
Familion | Minimum
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Finite-lived intangible asset, useful life           7 years    
Familion | Maximum
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Finite-lived intangible asset, useful life           8 years