Annual report pursuant to Section 13 and 15(d)

Segment reporting (Details) - Schedule of segment reporting information, by segment

v3.19.3
Segment reporting (Details) - Schedule of segment reporting information, by segment - USD ($)
$ in Thousands
12 Months Ended
Jul. 31, 2019
Jul. 31, 2018
Jul. 31, 2017
Clinical Labs [Member]      
Segment Reporting Information [Line Items]      
Revenues $ 51,115 $ 71,077 $ 74,689
Cost of revenues 44,226 46,008 45,400
Research and development 31    
Selling, general and administrative 24,230 24,656 24,465
Legal fee expense 159 67 146
Total operating costs, expenses and legal settlements, net 68,646 70,731 70,011
Operating income (loss) (17,531) 346 4,678
Other income (expense) Interest (64) (91) (112)
Other 16 29 137
Income (loss) before taxes (17,579) 284 4,703
Depreciation and amortization included above 1,625 1,667 1,586
Capital expenditures 1,374 1,685 1,363
Clinical Labs [Member] | Selling, General and Administrative Expenses [Member]      
Segment Reporting Information [Line Items]      
Share-based compensation 147 125 111
Clinical Labs [Member] | Total [Member]      
Segment Reporting Information [Line Items]      
Share-based compensation 147 125 117
Clinical Labs [Member] | Cost of Clinical Laboratory Services [Member]      
Segment Reporting Information [Line Items]      
Share-based compensation     6
Life Sciences [Member]      
Segment Reporting Information [Line Items]      
Revenues 30,055 29,936 30,397
Cost of revenues 13,696 14,377 14,078
Research and development 2,257 2,305 2,311
Selling, general and administrative 11,860 11,617 11,289
Legal fee expense 27 58 79
Legal settlements, net (28,925)    
Total operating costs, expenses and legal settlements, net (1,085) 28,357 27,757
Operating income (loss) 31,140 1,579 2,640
Other income (expense) Interest 67 50 46
Other 2 11 (60)
Foreign exchange loss (gain) (682) (275) 135
Income (loss) before taxes 30,527 1,365 2,761
Depreciation and amortization included above 1,221 1,387 1,913
Capital expenditures 605 203 390
Life Sciences [Member] | Selling, General and Administrative Expenses [Member]      
Segment Reporting Information [Line Items]      
Share-based compensation 95 79 74
Life Sciences [Member] | Total [Member]      
Segment Reporting Information [Line Items]      
Share-based compensation 95 79 74
Consolidated [Member]      
Segment Reporting Information [Line Items]      
Revenues 81,170 101,013 105,086
Cost of revenues 57,922 60,385 59,478
Research and development 3,175 3,210 2,928
Selling, general and administrative 44,265 44,455 44,149
Legal fee expense 3,000 5,127 1,679
Legal settlements, net (28,925)    
Total operating costs, expenses and legal settlements, net 79,437 113,177 108,234
Operating income (loss) 1,733 (12,164) (3,148)
Other income (expense) Interest 1,056 853 384
Other 382 168 125
Foreign exchange loss (gain) (682) (275) 135
Income (loss) before taxes 2,489 (11,418) (2,504)
Depreciation and amortization included above 3,036 3,130 3,598
Capital expenditures 8,126 1,888 1,753
Consolidated [Member] | Selling, General and Administrative Expenses [Member]      
Segment Reporting Information [Line Items]      
Share-based compensation 939 813 825
Consolidated [Member] | Total [Member]      
Segment Reporting Information [Line Items]      
Share-based compensation 939 813 831
Consolidated [Member] | Cost of Clinical Laboratory Services [Member]      
Segment Reporting Information [Line Items]      
Share-based compensation     6
Therapeutics [Member]      
Segment Reporting Information [Line Items]      
Research and development 887 905 617
Total operating costs, expenses and legal settlements, net 887 905 617
Operating income (loss) (887) (905) (617)
Income (loss) before taxes (887) (905) (617)
Other Segments [Member]      
Segment Reporting Information [Line Items]      
Selling, general and administrative 8,175 8,182 8,395
Legal fee expense 2,814 5,002 1,454
Total operating costs, expenses and legal settlements, net 10,989 13,184 9,849
Operating income (loss) (10,989) (13,184) (9,849)
Other income (expense) Interest 1,053 894 450
Other 364 128 48
Income (loss) before taxes (9,572) (12,162) (9,351)
Depreciation and amortization included above 190 76 99
Capital expenditures 6,147    
Other Segments [Member] | Selling, General and Administrative Expenses [Member]      
Segment Reporting Information [Line Items]      
Share-based compensation 697 609 640
Other Segments [Member] | Total [Member]      
Segment Reporting Information [Line Items]      
Share-based compensation $ 697 $ 609 $ 640