CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Cash flows from operating activities:
Net loss	$ (1,541)	$ (2,527)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization of property, plant and equipment	1,051	1,023
Amortization of intangible assets	484	819
Provision for uncollectible accounts receivable	1,593	1,348
Share-based compensation charges	413	392
Accrual for share-based 401(k) employer match expense	358	354
Foreign exchange (gain) loss	(595)	420
Changes in operating assets and liabilities:
Accounts receivable	(1,387)	(2,170)
Inventories	(430)	(238)
Prepaid expenses	27	67
Accounts payable – trade	(809)	238
Accrued liabilities, other current liabilities and other liabilities	2,220	(2,558)
Other assets	(549)
Total adjustments	2,376	(305)
Net cash provided by (used in) operating activities	835	(2,832)
Cash flows from investing activities:
Capital expenditures	(1,066)	(689)
Security deposits and other	(10)	2
Net cash used in investing activities	(1,076)	(687)
Cash flows from financing activities:
Proceeds from borrowings under Credit Agreement		40,694
Repayments under Credit Agreement		(42,251)
Installment loan and capital lease obligation payments	(190)	(323)
Proceeds from exercise of stock options	710	71
Net cash provided by (used in) financing activities	520	(1,809)
Effect of exchange rate changes on cash and cash equivalents	22	(22)
Increase (decrease) in cash and cash equivalents	301	(5,350)
Cash and cash equivalents - beginning of period	64,167	67,777
Cash and cash equivalents - end of period	$ 64,468	$ 67,427