Schedule of Operating Results of Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 301,205	$ 321,816
Income (loss) from operations	17,165	20,226
Depreciation and amortization:
Total depreciation and amortization	5,047	4,790
Direct Cost of Revenues [Member]
Depreciation and amortization:
Total depreciation and amortization	1,256	1,034
Selling, General and Administrative Expenses [Member]
Depreciation and amortization:
Total depreciation and amortization	3,791	3,756
National Retail Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	23,995	19,313
Income (loss) from operations	5,460	5,231
National Retail Solutions [Member] | Direct Cost of Revenues [Member]
Depreciation and amortization:
Total depreciation and amortization	450	320
National Retail Solutions [Member] | Selling, General and Administrative Expenses [Member]
Depreciation and amortization:
Total depreciation and amortization	285	158
Fintech [Member]
Segment Reporting Information [Line Items]
Revenues	26,563	19,887
Income (loss) from operations	(1,383)	1,512
Fintech [Member] | Direct Cost of Revenues [Member]
Depreciation and amortization:
Total depreciation and amortization	22	23
Fintech [Member] | Selling, General and Administrative Expenses [Member]
Depreciation and amortization:
Total depreciation and amortization	671	598
net2 phone [Member]
Segment Reporting Information [Line Items]
Revenues	19,927	16,950
Income (loss) from operations	(7)	(1,056)
net2 phone [Member] | Direct Cost of Revenues [Member]
Depreciation and amortization:
Total depreciation and amortization	600	498
net2 phone [Member] | Selling, General and Administrative Expenses [Member]
Depreciation and amortization:
Total depreciation and amortization	840	854
Traditional Communications [Member]
Segment Reporting Information [Line Items]
Revenues	230,720	265,666
Income (loss) from operations	15,406	17,263
Traditional Communications [Member] | Direct Cost of Revenues [Member]
Depreciation and amortization:
Total depreciation and amortization	184	193
Traditional Communications [Member] | Selling, General and Administrative Expenses [Member]
Depreciation and amortization:
Total depreciation and amortization	1,964	2,128
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Revenues
Income (loss) from operations	(2,311)	(2,724)
Corporate Segment [Member] | Direct Cost of Revenues [Member]
Depreciation and amortization:
Total depreciation and amortization
Corporate Segment [Member] | Selling, General and Administrative Expenses [Member]
Depreciation and amortization:
Total depreciation and amortization	$ 31	$ 18