Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2021

Revenue Recognition (Tables) [Line Items]

Disaggregation of Revenue [Table Text Block]

	Three months ended				Six months ended
In thousands	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Digital product sales:
Catalog and small customized products	$	2,396	$	1,518	$	4,489	$	2,852
Large customized products		-		-		-		-
Subtotal		2,396		1,518		4,489		2,852
Digital product lease and maintenance:
Operating leases		210		236		419		515
Maintenance agreements		281		295		565		595
Subtotal		491		531		984		1,110
Total	$	2,887	$	2,049	$	5,473	$	3,962

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

In thousands	June 30, 2021		December 31, 2020
Gross receivables	$	2,297	$	2,042
Allowance for bad debts		474		660
Net receivables		1,823		1,382
Contract liabilities		481		618

Schedule Of Changes In Contract Asset And Contract Liability [Table Text Block]

	Three months ended				Six months ended
In thousands	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Revenue recognized in the period from:
Amounts included in the contract liability at the    beginning of the period	$	121	$	28	$	484	$	82
Performance obligations satisfied in previous periods    (for example, due to changes in transaction price)		-		-		-		-