Revenue Recognition (Details) - Disaggregation of revenue from contracts with customers - USD ($)	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Digital product sales:
Revenue from contracts with customers	$ 15,552,000	$ 21,661,000
Digital Product Sales [Member]
Digital product sales:
Revenue from contracts with customers	14,683,000	20,386,000
Digital Product Lease and Maintenance [Member]
Digital product sales:
Revenue from contracts with customers	869,000	1,275,000
Catalog and Small Customized Products [Member] \| Digital Product Sales [Member]
Digital product sales:
Revenue from contracts with customers	14,683,000	20,386,000
Large Customized Products [Member] \| Digital Product Sales [Member]
Digital product sales:
Revenue from contracts with customers
Operating Leases [Member] \| Digital Product Lease and Maintenance [Member]
Digital product sales:
Revenue from contracts with customers	465,000	579,000
Maintenance Agreements [Member] \| Digital Product Lease and Maintenance [Member]
Digital product sales:
Revenue from contracts with customers	$ 404,000	$ 696,000

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 924
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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+ Details