Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Statement of Cash Flows [Abstract]
Net loss	$ (25,614)	$ (21,558)
Loss from discontinued operations	2,610	2,993
Cash flows from operating activities:
Change in fair value of warrant liability	(1,268)	(27,879)
Depreciation and amortization	982	2,089
Share-based compensation	319	12,948
Amortization of debt issuance costs and discount	1,436	1,005
Loss (gain) on disposal of long-lived assets	150	(950)
Loss on impairment of intangible assets, including goodwill	2,522	2,209
Other	745	(335)
Accounts receivable	3,752	(2,900)
Prepaid expense and other assets	1,604	(4,635)
Operating lease assets	524
Accounts payable, accrued expense and other liabilities	(1,413)	12,909
Contract liability	209	2,221
Operating lease liabilities	813	0
Net cash used in continuing operating activities	(12,629)	(21,883)
Net cash used in discontinued operating activities	(7,159)	5,677
Net cash used in operating activities	(19,788)	(16,206)
Cash flows from investing activities:
Proceeds from asset dispositions	0	1,125
Purchases of property, equipment and software	(8)	(308)
Payment of payroll costs capitalized to software in progress	(127)	(570)
Proceeds from sale of business	30,000	0
Purchase of equity in unconsolidated affiliate	0	(480)
Net cash provided by (used in) continuing investing activities	29,865	(233)
Net cash used in discontinued investing activities	(18,396)	(2,192)
Net cash provided by (used in) investing activities	11,469	(2,425)
Cash flows from financing activities:
Proceeds from issuance of common stock, net	10,844	14,553
Payment of debt issuance cost	(2,275)	(1,526)
Repayments of debt	(25,526)	(2,250)
Payment of contingent consideration related to business acquisitions	0	(900)
Net cash provided by (used in) financing activities	(16,957)	9,877
Net decrease in cash, cash equivalents and restricted cash	(25,276)	(8,754)
Cash, cash equivalents and restricted cash:
Beginning of period, including cash in disposal group	25,548	34,302
End of period	272	25,548
Supplemental cash flow information:
Cash paid for interest	2,211	4,273
Cash paid for income taxes	0	233
Supplemental schedule of non-cash investing and financing activities:
Issuance of common stock	0	59,907
Capitalization of interest to debt principal	948	0
Increase in loan payable	1,103	0
Common stock subscription payable to unconsolidated affiliate	$ 0	$ 520