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Stockholders' Equity (Tables)

9 Months Ended

Sep. 26, 2020

The following is a summary of stockholders’ equity transactions for the three and nine months ended September 26, 2020:


	Convertible Preferred Stock				Common Stock					Capital in Excess of Par Value		Accumulated Deficit
	Shares		Amount		Shares			Amount		Capital in Excess of Par Value		Accumulated Deficit			Total
Balance at June 27, 2020		328,925	$	—		2,750,955		$	3,000	$	332,993,000	$	(330,796,000	)	$	2,200,000
Issuance of common Stock for a preferred equity interest in real estate						400,000			—		1,600,000					1,600,000
Warrant exercises						828			—		2,000					2,000
Stock-based compensation											22,000					22,000
Cancellation of shares from the reverse stock split						(3	)		—
Net loss													(606,000	)		(606,000	)

Balance at September 26, 2020		328,925	$	—		3,151,780		$	3,000	$	334,617,000	$	(331,402,000	)	$	3,218,000


	Convertible Preferred Stock				Common Stock					Capital in Excess of Par Value		Accumulated Deficit
	Shares		Amount		Shares			Amount		Capital in Excess of Par Value		Accumulated Deficit			Total
Balance at December 31, 2019		328,925	$	—		1,773,189		$	2,000	$	330,474,000	$	(328,973,000	)	$	1,503,000
Issuance of common Stock for a preferred equity interest in real estate						400,000			—		1,600,000					1,600,000
Warrant exercises						978,594			1,000		2,478,000					2,479,000
Stock-based compensation											65,000					65,000
Cancellation of shares from the reverse stock split						(3	)		—
Net loss													(2,429,000	)		(2,429,000	)

Balance at September 26, 2020		328,925	$	—		3,151,780		$	3,000	$	334,617,000	$	(331,402,000	)	$	3,218,000

The following is a summary of stockholders’ equity transactions for the three and nine months ended September 28, 2019:


	Convertible Preferred Stock				Common Stock				Capital in Excess of Par Value		Accumulated Deficit
	Shares		Amount		Shares		Amount		Capital in Excess of Par Value		Accumulated Deficit			Total
Balance at June 29, 2019		328,925	$	—		550,260	$	1,000	$	327,956,000	$	(324,670,000	)	$	3,287,000
Issuance of common stock (net of costs)															—
Stock-based compensation										23,000					23,000
Net loss												(2,375,000	)		(2,375,000	)

Balance at September 28, 2019		328,925	$	—		550,260	$	1,000	$	327,979,000	$	(327,045,000	)	$	935,000


	Convertible Preferred Stock					Common Stock				Capital in Excess of Par Value		Accumulated Deficit
	Shares			Amount		Shares		Amount		Capital in Excess of Par Value		Accumulated Deficit			Total
Balance at December 31, 2018		330,787		$	—		327,060	$	1,000	$	326,488,000	$	(319,744,000	)	$	6,745,000
Conversion of Series E preferred stock to common stock		(1,862	)		—		53,200		—		—					—
Issuance of common stock (net of costs)							170,000		—		1,421,000					1,421,000
Stock-based compensation											70,000					70,000
Net loss													(7,301,000	)		(7,301,000	)

Balance at September 28, 2019		328,925		$	—		550,260	$	1,000	$	327,979,000	$	(327,045,000	)	$	935,000

The following is a summary of stock option transactions under our Stock Option Plans at September 26, 2020:


	Number of Shares		Price Per Share		Weighted Average Exercise Price		Number of Options Exercisable		Weighted Average Exercise Price
Balance at December 31, 2019		13,725	$	19.20 - $51,480	$	252.00		7,450	$	448.10
Granted		—
Exercised		—
Canceled		5,862	$	19.20 - $51,480		246.80		3,162		441.10

Balance at September 26, 2020		7,863	$	19.20 - $28,440	$	255.90		4,288	$	453.30

The following is a summary of our restricted stock award transactions at September 26, 2020:


	Number of Shares		Weighted Average Grant Date Fair Value
Balance nonvested at December 31, 2019		33	$	105.00
Granted		—		—
Vested		—		—
Forfeited		—		—

Balance nonvested at September 26, 2020		33	$	105.00

The following is a summary of outstanding warrants at September 26, 2020:


		Common Shares
		Total		Currently Exercisable		Price per Share		Expiration Date
(1)	Warrants related to October 2015 financing		13,552		13,552	$	600.00		October 14, 2020
(2)	Warrants related to October 2015 financing		903		903	$	656.30		October 14, 2020
(3)	Warrants related to August 2016 financing		5,350		5,350	$	300.00		February 2, 2022
(4)	Warrants related to August 2016 financing		500		500	$	385.50		August 2, 2021
(5)	Warrants related to December 2016 financing		68,567		68,567	$	200.00		December 14, 2021
(6)	Warrants related to March 2018 financing		15,810		15,810	$	114.00		September 9, 2023
(7)	Warrants related to March 2018 financing		1,107		1,107	$	158.00		March 6, 2023
(8)	Warrants related to July 2018 financing		257,143		257,143	$	35.00		July 25, 2023
(9)	Warrants related to July 2018 financing		15,428		15,428	$	43.75		July 25, 2023
(10)	Warrants related to May 2019 financing		11,900		11,900	$	12.50		May 23, 2024
(11)	Warrants related to October 2019 financing		217,200		217,200	$	2.50		October 10, 2024
(12)	Warrants related to October 2019 financing		30,916		30,916	$	3.13		October 8, 2024