Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (75,555,000)	$ (14,424,000)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Stock-based compensation expense	1,294,000	1,185,000
Depreciation and amortization	5,376,000	5,989,000
Deferred income tax assets	(498,000)	(1,076,000)
Loss (gain) on disposal of intangible assets and equipment	3,683,000	(2,000)
Amortization of deferred loan costs	195,000	50,000
Impairment of goodwill	18,649,000	0
Right of use asset expenses	668,000	499,000
Changes in operating assets and liabilities:
Accounts receivable, net	59,819,000	65,302,000
Inventories	50,893,000	(14,229,000)
Prepaid expenses and other current assets	1,397,000	2,327,000
Other assets	187,000	(138,000)
Accounts payable	(36,526,000)	(28,717,000)
Income tax payable	(7,601,000)	(2,192,000)
Sales returns liability	(13,216,000)	(23,287,000)
Accrued wages and wage related expenses	462,000	(1,563,000)
Accrued and other long-term liabilities	(2,316,000)	(1,608,000)
Lease liabilities	(832,000)	(465,000)
Other	(320,000)	212,000
Net cash provided by (used in) operating activities	5,759,000	(12,137,000)
Cash flows from investing activities:
Purchase of property and equipment	(1,275,000)	(2,628,000)
Proceeds from disposal of equipment	0	2,000
Purchase of HALO, net of cash acquired	0	(20,368,000)
Net cash used in investing activities	(1,275,000)	(22,994,000)
Cash flows from financing activities:
Proceeds from revolving credit facility	54,124,000	125,932,000
Payments on revolving credit facility	(61,724,000)	(90,932,000)
Purchase of treasury stock	0	(722,000)
Payment of withholding on restricted stock units	(314,000)	0
Proceeds from issuance of stock under employee stock purchase plan	39,000	13,000
Net cash (used in) provided by financing activities	(7,875,000)	34,291,000
Effect of foreign currency exchange rates on cash equivalents	(260,000)	(164,000)
Net decrease in cash and cash equivalents	(3,651,000)	(1,004,000)
Cash and cash equivalents at beginning of the period	17,801,000	15,793,000
Cash and cash equivalents at end of the period	14,150,000	14,789,000
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	921,000	923,000
Cash refunded during the period for income taxes, net	(58,000)	(811,000)
Cash paid during the period for rent expenses included in the measurement of lease liabilities	993,000	642,000
Supplemental disclosure of non-cash investing and financing activities:
Purchase of property and equipment financed through accounts payable	618,000	696,000
Withholding tax on restricted stock units recorded in accrued wages and wage related expenses	0	782,000
Purchase of HALO through amounts due to seller, contingent payments and common stock	$ 0	$ 16,985,000