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Property And Equipment	12 Months Ended
Property And Equipment	Dec. 31, 2020
Property And Equipment [Abstract]
Property And Equipment	3. Property and Equipment The Company’s property and equipment include furniture and equipment. Depreciation is recognized using the straight-line method over the expected life of the property and equipment. During the year ended December 31, 2020, the Company sold surplus manufacturing equipment to an independent third party and received proceeds totaling $360,000. The original cost of the property and equipment was $892,000 and accumulated depreciation was $878,000, resulting a gain on sale of property and equipment of $346,000 during the year ended December 31, 2020. There were no sales of property and equipment during year ended December 31, 2019.