Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2021

Share-Based Compensation

Share-based compensation expense included in costs and expenses

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Share-based compensation expense:
Sales and marketing	$	32	$	29	$	63	$	61
Technology support		8		28		19		55
General and administrative		385		462		842		912
Share-based compensation costs		425		519		924		1,028
Total share-based compensation costs	$	425	$	519	$	924	$	1,028

Service based options granted during period

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Number of service-based options granted		55,000		55,000		820,000		515,000
Weighted average grant date fair value	$	1.94	$	0.67	$	1.83	$	1.05
Weighted average exercise price	$	2.75	$	1.08	$	2.61	$	1.90

Fair value of stock options granted using the following weighted average assumptions

	Three Months Ended June 30,						Six Months Ended June 30,
	2021			2020			2021			2020
Dividend yield		—			—			—			—
Volatility		95	%		81	%		94	%		70	%
Risk-free interest rate		0.9	%		0.3	%		0.8	%		1.1	%
Expected life (years)		4.7			4.6			4.8			4.6

Stock option exercises

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Number of stock options exercised		21,962		—		76,667		—
Weighted average exercise price	$	2.30	$	—	$	2.30	$	—

Stock options outstanding

	Number of Options			Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
						(years)		(thousands)
Outstanding at December 31, 2020		3,758,670		$	4.26		4.7	$	270
Granted		820,000			2.61
Exercised		(76,667	)		2.30				55
Forfeited or expired		(87,571	)		8.87
Outstanding at June 30, 2021		4,414,432		$	3.90		4.7	$	1,020
Vested and expected to vest at June 30, 2021		4,232,627		$	3.95		4.7	$	945
Exercisable at June 30, 2021		2,666,343		$	4.62		3.9	$	340