Share-Based Payment Arrangements (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Summary of Stock Option Plan

The following table summarizes the 2018 Plan, which was the only plan under which the Company was able to grant equity compensation as of March 31, 2023:

	Shares		Shares Available		Shares
Name of Plan	Authorized		for Grant		Outstanding
FalconStor Software, Inc. 2018 Incentive Stock Plan		1,692,797		241,899		1,312,853

Schedule of Equity Awards Outstanding

The following table summarizes the Company’s equity plans that have terminated or expired but that still have equity awards outstanding as of March 31, 2023:

Name of Plan	Shares Available for Grant		Shares Outstanding
FalconStor Software, Inc., 2016 Incentive Stock Plan		—		2,250
FalconStor Software, Inc., 2006 Incentive Stock Plan		—		2,715

Summary of Restricted Stock Activity

A summary of the Company’s restricted stock activity for the three months ended March 31, 2023 is below. Such restricted stock did not bestow any voting or dispositive power and is not deemed outstanding until they vest.

	Number of Restricted Stock Awards
Non-Vested at January 1, 2023		1,316,933
Granted		—
Vested		(4,080	)
Forfeited		—
Non-Vested at March 31, 2023		1,312,853

Summary of Share-Based Compensation Expense

The following table summarizes the share-based compensation expense for all awards issued under the Company’s stock equity plans in the following line items in the condensed consolidated statements of operations for the three months ended March 31, 2023 and 2022:

	Three Months Ended March 31,
	2023		2022
Cost of revenue - Support and Service		125		408
Research and development costs		976		1,879
Selling and marketing		2,334		4,511
General and administrative		1,896		1,386
	$	5,331	$	8,184