Share-Based Payment Arrangements (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Details 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, 2021: 

	Shares	Shares Available	Shares
Name of Plan	Authorized	for Grant	Outstanding
FalconStor Software, Inc. 2018 Incentive Stock Plan	1,471,997	(31,368)	1,442,828

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, 2021: 

Name of Plan	Shares Available for Grant	Shares Outstanding
FalconStor Software, Inc., 2016 Incentive Stock Plan	—	3,850
FalconStor Software, Inc., 2006 Incentive Stock Plan	—	5,930

Schedule Of Share Based Compensation Recognized

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, 2021 and 2020:

	Three Months Ended March 31,
	2021		2020
Cost of revenue - Product	$	227	$	—
Cost of revenue - support and service	181		103
Research and development costs	—		428
Selling and marketing	2,677		184
General and administrative	1,386		3,795
	$	4,471	$	4,510