CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2018	Oct. 31, 2017
Cash flows from operating activities:
Net loss	$ (7,365)	$ (5,237)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation	5,533	1,892
Amortization of intangible assets	8,099
Amortization of deferred financing costs	247	177
Accretion of debt discount	1,051	1,041
Share-based compensation	792	292
Other (gains) losses, net	(944)	(1,422)
Gains on investments in affiliates and impairments	(20)	(201)
Changes in operating assets and liabilities, net of business acquired:
Accounts receivable, net	(17,558)	(3,808)
Inventories, net	(3,815)	2,926
Prepaid expenses and other current assets	2,781	(1,511)
Accounts payable, accrued restructuring and accrued expenses	11,301	(1,879)
Refundable and accrued income taxes, net	(442)	1,409
Other assets and liabilities	2,873	(1,353)
Net cash provided by (used in) operating activities	2,533	(7,674)
Cash flows from investing activities:
Additions to property and equipment	(4,006)	(2,464)
Proceeds from the disposition of property and equipment	14	4,247
Proceeds from the sale of Trading Securities		13,775
Proceeds from investments in affiliates	20	201
Net cash (used in) provided by investing activities	(3,972)	15,759
Cash flows from financing activities:
Payment of long-term debt	(1,500)
Payment of preferred dividends	(536)
Purchase of the Company's Convertible Notes	(3,700)
Repayments on capital lease obligations	(148)	(79)
Proceeds from issuance of common stock	6	3
Net cash used in financing activities	(5,878)	(76)
Net effect of exchange rate changes on cash, cash equivalents, and restricted cash	(358)	(32)
Net (decrease) increase in cash, cash equivalents, and restricted cash	(7,675)	7,977
Cash, cash equivalents, and restricted cash, beginning of period	103,826	124,124
Cash, cash equivalents, and restricted cash, end of period	$ 96,151	$ 132,101