Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3.a.u2
Segment reporting (Details) - Schedule of segment reporting information, by segment - USD ($)
$ in Thousands
 3 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Clinical Services [Member]    
Segment Reporting Information [Line Items]    
Revenues $ 12,780 $ 14,297
Cost of revenues 10,975 10,968
Research and development 350  
Selling, general and administrative 6,215 6,060
Legal and related expenses 50 36
Total operating costs and expenses 17,590 17,064
Operating income (loss) (4,810) (2,767)
Interest (12) (18)
Other 3 40
Income (loss) before income taxes (4,819) (2,745)
Depreciation and amortization included above 409 403
Capital expenditures 147 354
Clinical Services [Member] | Selling, General and Administrative Expenses [Member]    
Segment Reporting Information [Line Items]    
Share-based compensation 34 38
Clinical Services [Member] | Total [Member]    
Segment Reporting Information [Line Items]    
Share-based compensation 34 38
Products [Member]    
Segment Reporting Information [Line Items]    
Revenues 7,427 6,963
Cost of revenues 3,546 3,271
Research and development 516 507
Selling, general and administrative 2,757 2,924
Legal and related expenses   7
Total operating costs and expenses 6,819 6,709
Operating income (loss) 608 254
Interest 18 16
Other (12) 4
Foreign exchange (Gain)loss 191 (324)
Income (loss) before income taxes 805 (50)
Depreciation and amortization included above 251 342
Capital expenditures 127 52
Products [Member] | Selling, General and Administrative Expenses [Member]    
Segment Reporting Information [Line Items]    
Share-based compensation 22 24
Products [Member] | Total [Member]    
Segment Reporting Information [Line Items]    
Share-based compensation 22 24
Consolidated [Member]    
Segment Reporting Information [Line Items]    
Revenues 20,207 21,260
Cost of revenues 14,521 14,239
Research and development 1,054 728
Selling, general and administrative 11,139 10,970
Legal and related expenses 1,696 1,301
Total operating costs and expenses 28,410 27,238
Operating income (loss) (8,203) (5,978)
Interest 237 274
Other 127 47
Foreign exchange (Gain)loss 191 (324)
Income (loss) before income taxes (7,648) (5,981)
Depreciation and amortization included above 725 766
Capital expenditures 274 406
Consolidated [Member] | Selling, General and Administrative Expenses [Member]    
Segment Reporting Information [Line Items]    
Share-based compensation 219 235
Consolidated [Member] | Total [Member]    
Segment Reporting Information [Line Items]    
Share-based compensation 219 235
Therapeutics [Member]    
Segment Reporting Information [Line Items]    
Research and development 188 221
Total operating costs and expenses 188 221
Operating income (loss) (188) (221)
Income (loss) before income taxes (188) (221)
Other Segments [Member]    
Segment Reporting Information [Line Items]    
Selling, general and administrative 2,167 1,986
Legal and related expenses 1,646 1,258
Total operating costs and expenses 3,813 3,244
Operating income (loss) (3,813) (3,244)
Interest 231 276
Other 136 3
Income (loss) before income taxes (3,446) (2,965)
Depreciation and amortization included above 65 21
Other Segments [Member] | Selling, General and Administrative Expenses [Member]    
Segment Reporting Information [Line Items]    
Share-based compensation 163 173
Other Segments [Member] | Total [Member]    
Segment Reporting Information [Line Items]    
Share-based compensation $ 163 $ 173