Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Segment reporting (Details) - Schedule of segment reporting information, by segment - USD ($)
$ in Thousands
 3 Months Ended
Oct. 31, 2016
Oct. 31, 2015
Revenues:    
Clinical laboratory services $ 18,558 $ 17,090
Product revenues 7,426 7,687
Royalty and license fee income 300 400
Total revenues 26,284 25,177
Operating costs, expenses and legal settlements, net:    
Cost of clinical laboratory services 10,896 10,332
Cost of product revenues 3,309 3,611
Research and development 822 867
Selling, general and administrative 11,474 10,225
Provision for uncollectible accounts receivable 669 704
Legal fee expense 372 1,601
Legal settlements, net   (6,800)
Operating income (loss) (1,258) 4,637
Other income (expense):    
Other 119 54
Foreign exchange gain (loss) (361) (130)
Share-based compensation included in above:    
Share-based compensation 151 111
Clinical Labs [Member]    
Revenues:    
Clinical laboratory services 18,558 17,090
Total revenues 18,558 17,090
Operating costs, expenses and legal settlements, net:    
Cost of clinical laboratory services 10,896 10,332
Selling, general and administrative 5,952 5,286
Provision for uncollectible accounts receivable 666 708
Legal fee expense 52 9
Total operating expenses 17,566 16,335
Operating income (loss) 992 755
Other income (expense):    
Interest (29) (19)
Other 102 4
Income (loss) before income taxes 1,065 740
Depreciation and amortization included above 401 397
Share-based compensation included in above:    
Capital expenditures 412 437
Life Sciences [Member]    
Revenues:    
Product revenues 7,426 7,687
Royalty and license fee income 300 400
Total revenues 7,726 8,087
Operating costs, expenses and legal settlements, net:    
Cost of product revenues 3,309 3,611
Research and development 627 667
Selling, general and administrative 2,946 3,059
Provision for uncollectible accounts receivable 3 (4)
Legal fee expense 12 (22)
Legal settlements, net   (6,800)
Total operating expenses 6,897 511
Operating income (loss) 829 7,576
Other income (expense):    
Interest 10 14
Other   39
Foreign exchange gain (loss) (361) (130)
Income (loss) before income taxes 478 7,499
Depreciation and amortization included above 508 530
Share-based compensation included in above:    
Capital expenditures 102 68
Therapeutics [Member]    
Operating costs, expenses and legal settlements, net:    
Research and development 195 200
Total operating expenses 195 200
Operating income (loss) (195) (200)
Other income (expense):    
Income (loss) before income taxes (195) (200)
Other Segments [Member]    
Operating costs, expenses and legal settlements, net:    
Selling, general and administrative 2,576 1,880
Legal fee expense 308 1,614
Total operating expenses 2,884 3,494
Operating income (loss) (2,884) (3,494)
Other income (expense):    
Interest 65 (35)
Other 17 11
Income (loss) before income taxes (2,802) (3,518)
Depreciation and amortization included above 18 23
Consolidated [Member]    
Revenues:    
Clinical laboratory services 18,558 17,090
Product revenues 7,426 7,687
Royalty and license fee income 300 400
Total revenues 26,284 25,177
Operating costs, expenses and legal settlements, net:    
Cost of clinical laboratory services 10,896 10,332
Cost of product revenues 3,309 3,611
Research and development 822 867
Selling, general and administrative 11,474 10,225
Provision for uncollectible accounts receivable 669 704
Legal fee expense 372 1,601
Legal settlements, net   (6,800)
Total operating expenses 27,542 20,540
Operating income (loss) (1,258) 4,637
Other income (expense):    
Interest 46 (40)
Other 119 54
Foreign exchange gain (loss) (361) (130)
Income (loss) before income taxes (1,454) 4,521
Depreciation and amortization included above 927 950
Share-based compensation included in above:    
Capital expenditures 514 505
Cost of Clinical Laboratory Services [Member]    
Share-based compensation included in above:    
Share-based compensation 2 1
Cost of Clinical Laboratory Services [Member] | Clinical Labs [Member]    
Share-based compensation included in above:    
Share-based compensation 2 1
Cost of Clinical Laboratory Services [Member] | Consolidated [Member]    
Share-based compensation included in above:    
Share-based compensation 2 1
Selling, General and Administrative Expenses [Member]    
Share-based compensation included in above:    
Share-based compensation 149 110
Selling, General and Administrative Expenses [Member] | Clinical Labs [Member]    
Share-based compensation included in above:    
Share-based compensation 17 10
Selling, General and Administrative Expenses [Member] | Life Sciences [Member]    
Share-based compensation included in above:    
Share-based compensation 11 5
Selling, General and Administrative Expenses [Member] | Other Segments [Member]    
Share-based compensation included in above:    
Share-based compensation 121 95
Selling, General and Administrative Expenses [Member] | Consolidated [Member]    
Share-based compensation included in above:    
Share-based compensation 149 110
Total [Member] | Clinical Labs [Member]    
Share-based compensation included in above:    
Share-based compensation 19 11
Total [Member] | Life Sciences [Member]    
Share-based compensation included in above:    
Share-based compensation 11 5
Total [Member] | Other Segments [Member]    
Share-based compensation included in above:    
Share-based compensation 121 95
Total [Member] | Consolidated [Member]    
Share-based compensation included in above:    
Share-based compensation $ 151 $ 111