Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of options outstanding by exercise price range

Options Outstanding
Range of Exercise Price	Number Outstanding and exercisable at 12/31/19		Weighted Average Remaining Contractual Life (years)		Weighted Average Exercise Price
$ 0 -  $ 15.00		32,500		0.90	$	14.95
$ 15.01 -   $ 30.40		8,000		0.33	$	30.40
$ 30.40 -   $ 62.10		12,000		0.14	$	59.60
		52,500		1.37	$	27.51

Summary of assumptions used to value stock options granted to employees and directors

	For the year ended
	December 31, 2018
Annual dividend yield		-
Expected life (years)		1.5
Risk-free interest rate		2.19	%
Expected volatility		71.12	%

Summary of stock-based compensation expense

	Years ended December 31,
	2019		2018
(In thousands)
Sales and marketing	$	-	$	6
General and administrative		-		23
Stock-based compensation expense	$	-	$	29

Employee Stock Option [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of all stock option plans / warrant activity

	Options Outstanding
						Weighted-
						Average
				Weighted-		Remaining
				Average		Contractual		Aggregate
	Number of			Exercise		Life		Intrinsic
	Shares			Price		(in years)		Value
Options outstanding – January 1, 2018		175,600		$	41.99		2.18	$	-
Options granted		30,000			15.00				-
Options exercised		-			-				-
Options cancelled or expired		(105,800	)		41.36				-
Options outstanding – December 31, 2018		99,800		$	34.55		1.41		-
Options granted		-			-				-
Options exercised		-			-				-
Options cancelled or expired		(47,300	)		42,35				-
Options outstanding and vested – December 31, 2019		52,500		$	27.51		1.37	$	-