CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net income (loss)	$ (5,360)	$ (10,279)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	1,787	2,179
Provision for bad debts	41	69
Provision for customer credits	74	65
Share-based compensation	551	1,626
Right-of-use assets	445	0
Lease liabilities	(446)	0
Change in deferred tax asset	0	692
Goodwill impairment	0	5,133
Changes in assets and liabilities:
Accounts receivable	3,698	753
Prepaid expenses and other current assets	64	137
Other assets	6	(668)
Accounts payable	(1,023)	(1,355)
Accrued expenses and other current liabilities	(1,954)	(9)
Net cash used in operating activities	(2,117)	(1,657)
Cash flows from investing activities:
Purchases of property and equipment	(57)	(250)
Net cash used in investing activities	(57)	(250)
Cash flows from financing activities:
Proceeds from exercise of stock options	307	73
Payment on convertible note	(1,000)	0
Payments on revolving credit facility	0	(8,000)
Net cash used in financing activities	(693)	(7,927)
Net decrease in cash and cash equivalents	(2,867)	(9,834)
Cash and cash equivalents, beginning of period	13,600	24,993
Cash and cash equivalents, end of period	10,733	15,159
Supplemental disclosure of cash flow information:
Cash paid for income taxes	1	0
Cash paid for interest	$ 20	$ 73