Quarterly report pursuant to Section 13 or 15(d)

Segment reporting (Details) - Schedule of Segment Reporting Information, by Segment

v3.20.1
Segment reporting (Details) - Schedule of Segment Reporting Information, by Segment - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Apr. 30, 2020
Apr. 30, 2019
Clinical Services [Member]        
Segment Reporting Information [Line Items]        
Revenues – Services and Products $ 9,739   $ 35,032  
Grant income 747   747  
Total 10,486   35,779  
Cost of revenues 9,133 $ 10,963 30,351 $ 32,956
Research and development 395 31 1,118 31
Selling, general and administrative 5,902 5,960 18,012 18,220
Legal fee expense   35   109
Total operating costs, expenses and legal settlements, net   16,989   51,316
Legal and related expenses 52   140  
Total operating costs and expenses 15,482   49,621  
Operating income (loss) (4,996) (5,238) (13,842) (13,268)
Interest (7) (18) (29) (51)
Other 1 6 20 17
Foreign exchange loss      
Income (loss) before income taxes (5,002) (5,250) (13,851) (13,302)
Depreciation and amortization included above 373 440 1,174 1,217
Selling, general and administrative 21 40 88 118
Total 21 40 88 118
Total 21 40 88 118
Capital expenditures 225 120 514 883
Revenues   11,751   38,048
Products [Member]        
Segment Reporting Information [Line Items]        
Revenues – Services and Products 6,417   20,715  
Total 6,417   20,715  
Cost of revenues 3,345 3,397 10,223 10,391
Research and development 580 527 1,599 1,645
Selling, general and administrative 2,667 2,923 7,954 8,828
Legal fee expense   16   24
Legal settlements, net   (28,925)   (28,925)
Total operating costs, expenses and legal settlements, net   (22,062)   (8,037)
Legal and related expenses     1  
Total operating costs and expenses 6,592   19,777  
Operating income (loss) (175) 29,973 938 30,238
Interest 11 19 45 49
Other 4   (1)  
Foreign exchange loss (358) (332) (88) (530)
Income (loss) before income taxes (518) 29,660 894 29,757
Depreciation and amortization included above 278 340 781 1,025
Selling, general and administrative 14 24 58 74
Total 14 24 58 74
Total 14 24 58 74
Capital expenditures 60 446 205 524
Revenues   7,911   22,201
Other [Member]        
Segment Reporting Information [Line Items]        
Revenues – Services and Products    
Grant income    
Total    
Cost of revenues
Selling, general and administrative 2,492 2,037 6,927 6,339
Legal fee expense   206   2,567
Legal settlements, net    
Total operating costs, expenses and legal settlements, net   2,243   8,906
Legal and related expenses 1,873   5,540  
Total operating costs and expenses 4,365   12,467  
Operating income (loss) (4,365) (2,243) (12,467) (8,906)
Interest 83 257 479 761
Other 130 64 315 232
Foreign exchange loss
Income (loss) before income taxes (4,152) (1,922) (11,673) (7,913)
Depreciation and amortization included above 66 58 196 130
Selling, general and administrative 172 135 582 553
Total 172 135 582 553
Total 172 135 582 553
Capital expenditures 6,147
Revenues    
Consolidated [Member]        
Segment Reporting Information [Line Items]        
Revenues – Services and Products 16,156   55,747  
Grant income 747   747  
Total 16,903   56,494  
Cost of revenues 12,478 14,360 40,574 43,347
Research and development 1,163 781 3,282 2,344
Selling, general and administrative 11,061 10,920 32,893 33,387
Legal fee expense   257   2,700
Legal settlements, net   (28,925)   (28,925)
Total operating costs, expenses and legal settlements, net   (2,607)   52,853
Legal and related expenses 1,925   5,681  
Total operating costs and expenses 26,627   82,430  
Operating income (loss) (9,724) 22,269 (25,936) 7,396
Interest 87 258 495 759
Other 135 70 334 249
Foreign exchange loss (358) (332) (88) (530)
Income (loss) before income taxes (9,860) 22,265 (25,195) 7,874
Depreciation and amortization included above 717 838 2,151 2,372
Selling, general and administrative 207 199 728 725
Total 207 199 728 725
Total 207 199 728 725
Capital expenditures 285 566 719 7,554
Revenues   19,662   60,249
Therapeutics [Member]        
Segment Reporting Information [Line Items]        
Grant income    
Research and development 188 223 565 668
Total operating costs, expenses and legal settlements, net   223   668
Legal and related expenses      
Total operating costs and expenses 188   565  
Operating income (loss) (188) (223) (565) (668)
Other    
Income (loss) before income taxes $ (188) $ (223) $ (565) $ (668)