CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net loss	$ (5,883)	$ (12,052)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	2,975	5,256
Provision for bad debts	321	198
Provision for customer credits	75	113
Share-based compensation	1,525	1,762
Right-of-use assets	1,107	1,306
Lease liabilities	(1,001)	(1,309)
Gain on sale of investment	0	(250)
Changes in assets and liabilities:
Accounts receivable	9,072	3,940
Prepaid expenses and other current assets	120	(164)
Other assets	(36)	(280)
Accounts payable	(6,682)	(3,348)
Accrued expenses and other current liabilities	(280)	(2,006)
Net cash provided by (used in) operating activities	1,313	(6,834)
Cash flows from investing activities:
Purchase of property and equipment	(396)	(1,330)
Proceeds from sale of investment	0	250
Net cash used in investing activities	(396)	(1,080)
Cash flows from financing activities:
Borrowings under PNC credit facility	28,564	46,740
Principal payments on PNC credit facility	(32,308)	(45,704)
Borrowings under CNC credit facility	53,612	0
Principal payments on CNC credit facility	(43,588)	0
Borrowings under PPP Note	1,384	0
Payment on convertible note	0	(1,000)
Proceeds from exercise of stock options	74	408
Payments under financing agreement	(29)	0
Net cash provided by financing activities	7,709	444
Net increase (decrease) in cash and cash equivalents and restricted cash	8,626	(7,470)
Cash and cash equivalents and restricted cash
Cash and cash equivalents and restricted cash, beginning of period	5,946	13,600
Cash and cash equivalents and restricted cash, end of period	14,572	6,130
Cash and cash equivalents, beginning of period
Cash and cash equivalents at beginning of period	892	13,600
Restricted cash at beginning of period	5,054	0
Cash and cash equivalents and restricted cash, beginning of period	5,946	13,600
Cash and cash equivalents, end of period
Cash and cash equivalents at end of period	11,270	1,092
Restricted cash at end of period	3,302	5,038
Cash and cash equivalents and restricted cash, end of period	14,572	6,130
Supplemental disclosure of cash flow information:
Cash paid for income taxes	1	1
Cash refunds for income taxes	814	124
Cash paid for interest	640	101
Right-of-use-assets obtained in exchange for operating lease liabilities	1,535	0
Purchase of fixed assets on account	142	0
Financing for the purchase of fixed assets	$ 120	$ 0