Consolidated Statements of Cash Flows - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss		$ (28,462)	$ (30,930)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization		7,896	7,705
Amortization of debt discounts and deferred financing offering cost		73	510
Change in fair value of derivatives liability		0	(4)
Change in fair value of Bookings Commitment		(2,500)	4,803
Stock-based compensation		2,653	1,742
Deferred income taxes, net		(214)	(181)
Provision for bad debt expense		20	29
Impairment of ROU asset		208	0
Loss on exchange and prepayment of 2016 Notes		0	742
Changes in operating assets and liabilities:
Accounts receivable, net		741	(1,385)
Related party receivables, net		1	6
Prepaid expenses and other current assets		226	506
Accounts payable		1,638	(2,799)
Accrued and other current liabilities		(3,069)	(2,047)
Deferred revenue		(384)	932
Related party payables, net		1,157	3,922
Change in operating lease right-of-use assets and liabilities		(228)	(204)
Other assets and liabilities		50	(32)
Net cash used in operating activities		(20,194)	(16,685)
Cash flows from investing activities:
Purchases of property and equipment, including internal-use software		(2,861)	(2,411)
Net cash used in investing activities		(2,861)	(2,411)
Cash flows from financing activities:
Repayments of insurance promissory note and notes payable		(782)	(227)
Proceeds from related party convertible notes		0	62,500
Proceeds from convertible notes		0	75,000
Payment of convertible notes		0	(87,500)
Proceeds from exercises of stock options		24	125
Payment of deferred financing costs, related party		0	(268)
Payment of deferred financing costs		0	(390)
Net cash (used in) provided by financing activities		(758)	49,240
Effect of exchange rate changes on cash, cash equivalents and restricted cash		(78)	5
Net (decrease) increase in cash, cash equivalents and restricted cash		(23,891)	30,149
Cash, cash equivalents and restricted cash, beginning of period	[1]	31,402	24,162
Cash, cash equivalents and restricted cash, end of period	[1]	7,511	54,311
Supplemental disclosure of cash flow information:
Interest paid		3,099	2,447
Non-cash transactions:
Purchases of property and equipment including internal use software		18	57
Common stock issued in Exchange for 2016 Notes		$ 0	$ 10,000

[1] Cash and cash equivalents included restricted cash of $1,800 and $2,318 at June 30, 2022 and December 31, 2021, respectively, and $2,318 and $1,375 at June 30, 2021 and December 31, 2020, respectively. At June 30, 2022, restricted cash of $1,180 is included in prepaid expenses and other current assets and $620 is included in other assets. At June 30, 2021, restricted cash of $1,180 is included in prepaid expenses and other current assets and $1,138 is included in other assets. Restricted cash is included in prepaid expenses and other current assets and other assets and consists of funds that are contractually restricted as to usage or withdrawal related to the Company's performance bond related to a contract with a customer, and security deposits in the form of standby letters of credit for leased facilities. No amounts have been drawn upon the letters of credit as of June 30, 2022.