Annual report pursuant to Section 13 and 15(d)

Stock Based Awards (Tables)

Stock Based Awards (Tables)

12 Months Ended

Dec. 31, 2020

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 year ended December 31, 2020 and 2019 (table 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, 2018		873			1,351		$	5.73	$	788
Exercised		-			-			-		-
Authorized		2,295			-			-		-
Cancelled		420			(420	)		7.04		-
Balance at December 31, 2019		3,588			931		$	4.14	$	-
Exercised		-			-			-		-
Granted		(928	)		928			1.33		29
Expired		(476	)		-			-		-
Cancelled		79			(79	)		7.37		-
Balance at December 31, 2020		2,263			1,780		$	2.53	$	29

Schedule of Weighted Average Assumptions Used for Grants

The Black-Scholes option pricing model includes the following weighted average assumptions for grants made during the year ended December 31, 2020:

Assumptions:
Weighted average per share grant date fair value	$	1.08
Risk-free interest rate		0.44	%
Expected dividend yield		0.00	%
Expected volatility		107.41	%
Expected terms (in years)		5.9

Schedule of Common Stock Reserved Future Issuance

The following table presents information concerning common stock available for future issuance as of December 31, (in thousands):

	2020		2019

Stock options issued and outstanding		1,780		931
Shares authorized for future option grants		2,263		3,588
Warrants outstanding		243		243
Total		4,286		4,762