Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2021

Accounting Policies [Abstract]

Restrictions on Cash and Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported in the balance sheets that sum to the total of the same amounts show in the statement of cash flows.

	As of March 31,
(in thousands)	2021		2020
Cash and cash equivalents	$	46,273	$	6,111
Restricted cash	—		71
Total cash, cash equivalents, and restricted cash in the balance sheet	$	46,273	$	6,182

Disaggregation of Deferred Revenue

Revenues consisted of the following (in thousands):

	For the Three Months Ended March 31,
	2021		2020
Recurring revenue	$	1,409	862
Non-recurring revenue	$	1,545	942
Totals	$	2,954	$	1,804

Summary of Stock-based Compensation Charges

The following table summarizes such charges for the periods then ended (in thousands):

	For the Three Months Ended March 31,
	2021		2020
Compensation and related benefits	$	5,096	$	399
Totals	$	5,096	$	399

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table summarizes the number of common shares and common share equivalents excluded from the calculation of diluted net loss per common share for the three months ended March 31, 2021 and 2020:

	For the Three Months Ended March 31,
	2021	2020
Options	7,012,891	120,796
Warrants	49,398,338	93,252
Convertible preferred stock	846	846
Restricted Stock Award	5,250,000	—
ATM sales of common stock to be issued	—	639,142
Totals	61,662,075	854,036