Quarterly report pursuant to Section 13 or 15(d)

Stock Based Awards (Tables)

Stock Based Awards (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity

The following table summarizes stock option transactions for the 2007 Plan and 2015 Plan, collectively, for the three months ended March 31, 2023 (in thousands, except per share amounts):

	Number of Shares Available for Grant		Total Options Outstanding		Weighted Average Exercise Price		Aggregate Intrinsic Value
Balance at December 31, 2022		484		350	$	15.03	$	0.00
Increase in authorized options		-		-		-		-
Exercised		-		-		-		-
Granted		-		-		-		-
Expired		-		-		-		-
Cancelled		-		-		-		-
Balance at March 31, 2023		484		350	$	14.98	$	0.00

Schedule of Share-based Compensation, Stock Options, Activity

The fair value of share option award is estimated using the Black-Scholes option pricing method based on the following weighted-average assumptions:

	2023			2022
	Three Months Ended March 31,
	2023			2022

Risk-Free interest rate		1.64	%		1.04	%
Expected dividend yield		0.00	%		0.00	%
Expected volatility		87.81	%		76.24	%
Expected term (in years)		4.81			4.33

Schedule of Common Stock Reserved for Future Issuance

The following table presents information concerning common stock available for future issuance (in thousands) as of:


	March 31, 2023		March 31, 2022
Stock options issued and outstanding		350		206
Shares authorized for future option grants		484		629
Warrants outstanding		13		20
Total		847		855