Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Operating activities
Net loss	$ (701)	$ (946)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	868	631
Stock-based compensation	296	331
Change in assets and liabilities:
Trade accounts receivable	102	420
Prepaid expenses and other current assets	243	207
Other assets	(13)
Trade accounts payable and accrued expenses	(208)	(106)
Due to IDT Corporation		(1)
Deferred revenues	338
Net cash provided by operating activities	925	536
Investing activities
Capitalized software and technology development costs and purchase of equipment	(417)	(916)
Investment in privately-held company		(250)
Net cash used in investing activities	(417)	(1,166)
Financing activities
Proceeds from sales of Class B Common Stock	275
Repayment of insurance premium loan payable	(78)
Proceeds from exercise of stock options	4
Purchase of treasury stock in connection with restricted stock vesting	(29)	(31)
Net cash provided by (used in) financing activities	172	(31)
Effect of exchange rate changes on cash and cash equivalents	(37)	(43)
Net increase (decrease) in cash and cash equivalents	643	(704)
Cash and cash equivalents at beginning of period	1,609	3,408
Cash and cash equivalents at end of period	2,252	2,704
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash payments made for interest expenses	2
Cash payments made for income taxes	$ 1