Consolidated Statements of Cash Flows - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities
Net loss		$ (58,543)	$ (56,446)	[1]
Adjustments to reconcile net loss to net cash used in operating activities:
Gain on sale of businesses		0	(32,211)	[1]
Depreciation and amortization		15,723	16,770	[1]
Amortization of debt discounts and deferred financing offering cost		623	6,477	[1]
Change in fair value of derivatives liability		(4)	4	[1]
Impairment of intangible assets, including internal-use software		0	729	[1]
Change in fair value of Bookings Commitment		2,323	11,168	[1]
Stock-based compensation		3,887	2,648	[1]
Deferred income taxes, net		(78)	(23)	[1]
Provision for bad debt expense		123	133	[1]
Loss on Exchange and Prepayment of 2016 Notes		742	0	[1]
Loss from related party equity method investment		0	31,702	[1]
Changes in operating assets and liabilities
Accounts receivable, net		(2,660)	4,786	[1]
Inventories		0	(18)	[1]
Related party receivables, net		336	77	[1]
Prepaid expenses and other current assets		(104)	15,143	[1]
Accounts payable		(1,914)	1,431	[1]
Accrued and other current liabilities		1,324	(19,014)	[1]
Deferred revenue		2,905	(7,376)	[1]
Related party payables, net		8,066	6,973	[1]
Change in operating lease right-of-use assets and liabilities		(422)	(298)	[1]
Other assets and liabilities		(16)	491	[1]
Net cash used in operating activities		(27,689)	(16,854)	[1]
Cash flows from investing activities
Net proceeds from sale of the Connected Care Business		0	46,401	[1]
Assignment of OpenNMS, net of cash acquired (see Note 19)		0	(5,475)	[1]
Purchases of property and equipment, including internal-use software		(5,081)	(5,672)	[1]
Purchase of noncontrolling interest		(556)	0	[1]
Net cash provided by (used in) investing activities		(5,637)	35,254	[1]
Cash flows from financing activities
Proceeds from insurance promissory note		2,324	1,855	[1]
Repayments of insurance promissory note and notes payable		(1,810)	(1,842)	[1]
Proceeds from exercises of stock options		291	171	[1]
Payment of deferred financing costs, related party		(277)	0	[1]
Payment of deferred financing costs		(451)	0	[1]
Proceeds from related party convertible notes		62,500	0	[1]
Proceeds from convertible notes		75,000	0	[1]
Payment of convertible notes		(97,000)	0	[1]
Tax payments related to stock issued, net of stock withheld, for vested equity awards		0	(739)	[1]
Net cash provided by (used) in financing activities		40,577	(555)	[1]
Effect of exchange rate changes on cash, cash equivalents and restricted cash		(11)	(62)	[1]
Net increase in cash, cash equivalents and restricted cash		7,240	17,783	[1]
Cash, cash equivalents and restricted cash, beginning of period	[1],[2]	24,162	6,379
Cash, cash equivalents and restricted cash, end of period	[2]	31,402	24,162	[1]
Supplemental disclosure of cash flow information
Income taxes paid		400	130
Interest paid		5,628	5,912
Interest received		0	68
Noncash transactions:
Purchases of property and equipment, including internal-use software		118	323
Common stock issued in Exchange for 2016 Notes		$ 10,000	$ 0

[1] The statements for the year ended December 31, 2020 includes the Connected Care Business (see Note 4).

[2] Cash and cash equivalents included restricted cash of $2,318, $1,375, and $1,136 at December 31, 2021, 2020, and 2019, respectively. At December 31, 2021, restricted cash of $1,180 is included in prepaid expenses and other current assets and $1,138 is included in other assets. At December 31, 2020, restricted cash of $237 is included in prepaid expenses and other current assets and $1,138 is included in other assets. At December 31, 2019, restricted cash of $1,136 is included in other assets. Restricted cash consists of funds that are contractually restricted as to usage or withdrawal related to the Company's security deposits in the form of standby letters of credit for leased facilities and funds held in an escrow account related to the sale of the Connected Care Business (see Note 4). No amounts have been drawn upon the letters of credit as of December 31, 2021.