Quarterly report pursuant to Section 13 or 15(d)

Segment reporting (Details) - Schedule of revenue from external customers and long-lived assets, by geographical areas

v3.20.2
Segment reporting (Details) - Schedule of revenue from external customers and long-lived assets, by geographical areas - USD ($)
$ in Thousands
 3 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Clinical Services [Member]    
Segment Reporting Information [Line Items]    
Revenues – Services and Products $ 21,223 $ 12,780
Cost of revenues 12,995 10,975
Capital expenditures 540 147
Research and development 121 350
Selling, general and administrative 6,098 6,215
Legal and related expenses 25 50
Total operating costs and expenses 19,239 17,590
Operating income (loss) 1,984 (4,810)
Interest (6) (12)
Other 15 3
Foreign exchange loss
Net income (loss) 1,993 (4,819)
Depreciation and amortization included above 409 409
Products [Member]    
Segment Reporting Information [Line Items]    
Revenues – Services and Products 7,432 7,427
Cost of revenues 3,763 3,546
Capital expenditures 44 127
Research and development 592 516
Selling, general and administrative 2,445 2,757
Legal and related expenses 5
Total operating costs and expenses 6,805 6,819
Operating income (loss) 627 608
Interest 10 18
Other 2 (12)
Foreign exchange loss (164) 191
Net income (loss) 475 805
Depreciation and amortization included above 185 251
Therapeutics [Member]    
Segment Reporting Information [Line Items]    
Revenues – Services and Products
Cost of revenues
Capital expenditures
Research and development 33 188
Selling, general and administrative 17
Legal and related expenses
Total operating costs and expenses 50 188
Operating income (loss) (50) (188)
Interest
Other
Foreign exchange loss
Net income (loss) (50) (188)
Depreciation and amortization included above
Other [Member]    
Segment Reporting Information [Line Items]    
Revenues – Services and Products
Cost of revenues
Capital expenditures 33
Research and development
Selling, general and administrative 1,454 2,167
Legal and related expenses 610 1,646
Total operating costs and expenses 2,064 3,813
Operating income (loss) (2,064) (3,813)
Interest (55) 231
Other 136
Foreign exchange loss
Net income (loss) (2,119) (3,446)
Depreciation and amortization included above 66 65
Consolidated [Member]    
Segment Reporting Information [Line Items]    
Revenues – Services and Products 28,655 20,207
Cost of revenues 16,758 14,521
Capital expenditures 617 274
Research and development 746 1,054
Selling, general and administrative 10,014 11,139
Legal and related expenses 640 1,696
Total operating costs and expenses 28,158 28,410
Operating income (loss) 497 (8,203)
Interest (51) 237
Other 17 127
Foreign exchange loss (164) 191
Net income (loss) 299 (7,648)
Depreciation and amortization included above 660 725
Selling, General and Administrative Expenses [Member] | Clinical Services [Member]    
Segment Reporting Information [Line Items]    
Selling, general and administrative 9 34
Selling, General and Administrative Expenses [Member] | Products [Member]    
Segment Reporting Information [Line Items]    
Selling, general and administrative 16 22
Selling, General and Administrative Expenses [Member] | Therapeutics [Member]    
Segment Reporting Information [Line Items]    
Selling, general and administrative
Selling, General and Administrative Expenses [Member] | Other [Member]    
Segment Reporting Information [Line Items]    
Selling, general and administrative 129 163
Selling, General and Administrative Expenses [Member] | Consolidated [Member]    
Segment Reporting Information [Line Items]    
Selling, general and administrative 154 219
Cost of Sales [Member] | Clinical Services [Member]    
Segment Reporting Information [Line Items]    
Cost of revenues 13  
Cost of Sales [Member] | Products [Member]    
Segment Reporting Information [Line Items]    
Cost of revenues  
Cost of Sales [Member] | Therapeutics [Member]    
Segment Reporting Information [Line Items]    
Cost of revenues  
Cost of Sales [Member] | Other [Member]    
Segment Reporting Information [Line Items]    
Cost of revenues  
Cost of Sales [Member] | Consolidated [Member]    
Segment Reporting Information [Line Items]    
Cost of revenues 13  
Total [Member] | Clinical Services [Member]    
Segment Reporting Information [Line Items]    
Total 22 34
Total [Member] | Products [Member]    
Segment Reporting Information [Line Items]    
Total 16 22
Total [Member] | Therapeutics [Member]    
Segment Reporting Information [Line Items]    
Total
Total [Member] | Other [Member]    
Segment Reporting Information [Line Items]    
Total 129 163
Total [Member] | Consolidated [Member]    
Segment Reporting Information [Line Items]    
Total $ 167 $ 219