CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net loss	$ (5,435)	$ (10,313)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	2,278	3,509
Provision for bad debts	94	122
Provision for customer credits	33	120
Share-based compensation	1,028	1,111
Right-of-use assets	767	924
Lease liabilities	(805)	(924)
Changes in assets and liabilities:
Accounts receivable	9,245	3,325
Prepaid expenses and other current assets	(674)	(410)
Other assets	(84)	(303)
Accounts payable	(8,181)	(1,945)
Accrued expenses and other current liabilities	(135)	(787)
Net cash used in operating activities	(1,869)	(5,571)
Cash flows from investing activities:
Purchase of property and equipment	(388)	(990)
Net cash used in investing activities	(388)	(990)
Cash flows from financing activities:
Borrowings under PNC credit facility	28,564	16,940
Principal payments on PNC credit facility	(32,308)	(16,940)
Borrowings under CNC credit facility	33,201	0
Principal payments on CNC credit facility	(26,020)	0
Borrowings under PPP Note	1,384	0
Payment on convertible note	0	(1,000)
Proceeds from exercise of stock options	0	408
Net cash provided by (used in) financing activities	4,821	(592)
Net increase in cash and cash equivalents and restricted cash	2,564	(7,153)
Cash and cash equivalents and restricted cash, beginning of period	5,946	13,600
Cash and cash equivalents and restricted cash, end of period	8,510	6,447
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 at end of period	5,210	1,431
Restricted cash at end of period	3,300	5,016
Cash and cash equivalents and restricted cash, end of period	8,510	6,447
Supplemental disclosure of cash flow information:
Cash paid for income taxes	0	1
Cash refunds for income taxes	381	124
Cash paid for interest	449	40
Right-of-use-assets obtained in exchange for operating lease liabilities	$ 1,485	$ 0