Quarterly report pursuant to Section 13 or 15(d)

Financing - Additional Information (Details)

v3.19.3
Financing - Additional Information (Details)
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 21, 2019
USD ($)
Sep. 18, 2018
USD ($)
Jul. 17, 2018
USD ($)
day
$ / shares
Oct. 31, 2019
USD ($)
May 31, 2019
USD ($)
$ / shares
shares
Sep. 30, 2019
USD ($)
shares
Sep. 30, 2019
USD ($)
shares
Sep. 30, 2018
USD ($)
Jun. 20, 2019
USD ($)
Dec. 15, 2018
$ / shares
Debt Instrument [Line Items]                    
Proceeds from Convertible Note             $ 0 $ 2,500,000    
Loss on extinguishment of debt             $ 256,000 0    
Share issued upon conversion of convertible note | shares         51,327 173,557 173,557      
Advance from NovellusDx, Ltd.             $ 0 $ 1,500,000    
Convertible Note                    
Debt Instrument [Line Items]                    
Term note, principal balance     $ 2,625,000              
Proceeds from Convertible Note     2,500,000              
Original issue discount     100,000              
Beneficial conversion feature on convertible note     328,000              
Less unamortized debt issuance costs     $ 25,000              
Debt instrument term     18 months              
Stated interest rate     10.00%              
Conversion price (in usd per share) | $ / shares     $ 24.00              
Number of trading days' notice | day     5              
Increase in fair value of the embedded conversion option         $ 547,000          
Percent increase of future cash flows             10.00%      
Amortization of debt discount and debt issuance costs         37,000          
Loss on extinguishment of debt             $ 584,000      
Maximum monthly redemption     $ 650,000              
Minimum stock price per share under debt covenant (in usd per share) | $ / shares     $ 30.00              
Debt repayment premium     10.00%              
Duration period eligible for prepayment at premium     1 year              
Increase to outstanding balance upon default (percent)                 15.00%  
Interest rate upon reset due to default (percent)                 22.00%  
Amount of principal exchanged           $ 2,300,000 2,300,000      
Accrued interest           406,000 406,000      
Increase to outstanding balance upon default                 $ 408,000  
Convertible Debt, Adjusted Conversion Price Portion                    
Debt Instrument [Line Items]                    
Term note, principal balance         $ 1,250,000          
Conversion price (in usd per share) | $ / shares         $ 6.82          
NDX | Credit Agreement                    
Debt Instrument [Line Items]                    
Stated interest rate   10.75%               21.00%
Conversion price (in usd per share) | $ / shares                   $ 18.18
Accrued interest           288,000 288,000      
Advance from NovellusDx, Ltd.   $ 1,500,000                
Long-term line of credit           1,500,000 1,500,000      
Convertible Promissory Note to Accredited Investor | Convertible Note                    
Debt Instrument [Line Items]                    
Amount of principal exchanged         $ 350,000 $ 612,175 612,175      
Discontinuing Operations | Convertible Note                    
Debt Instrument [Line Items]                    
Loss on extinguishment of debt             $ 328,000      
Subsequent Events | Convertible Note                    
Debt Instrument [Line Items]                    
Settlement of debt       $ 2,712,000            
Subsequent Events | NDX | Credit Agreement                    
Debt Instrument [Line Items]                    
Stated interest rate       0.00%            
Subsequent Events | Atlas Sciences                    
Debt Instrument [Line Items]                    
Term note, principal balance $ 1,347,500                  
Original issue discount $ 87,500                  
Stated interest rate 10.00%                  
Maximum monthly redemption $ 300,000                  
Interest and debt expense 10,000                  
Gross consideration $ 1,250,000                  
Annual interest rate 22.00%                  
Subsequent Events | Convertible Promissory Note to Accredited Investor | Convertible Note                    
Debt Instrument [Line Items]                    
Interest and debt expense       $ 439,000