Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2020

Revenue Recognition (Tables) [Line Items]

Disaggregation of Revenue [Table Text Block]

	Three months ended				Six months ended
In thousands	June 30, 2020		June 30, 2019		June 30, 2020		June 30, 2019
Digital product sales:
Catalog and small customized products	$	1,518	$	3,113	$	2,852	$	6,204
Large customized products		-		-		-		-
Subtotal		1,518		3,113		2,852		6,204
Digital product lease and maintenance:
Operating leases		236		338		515		630
Maintenance agreements		295		296		595		512
Subtotal		531		634		1,110		1,142
Total	$	2,049	$	3,747	$	3,962	$	7,346

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

In thousands	June 30, 2020		December 31, 2019
Gross receivables	$	2,564	$	3,124
Allowance for bad debts		809		743
Net receivables		1,755		2,381
Contract liabilities		921		230

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

	Three months ended				Six months ended
In thousands	June 30, 2020		June 30, 2019		June 30, 2020		June 30, 2019
Revenue recognized in the period from:
Amounts included in the contract liability at the   beginning of the period	$	28	$	149	$	82	$	350
Performance obligations satisfied in previous periods   (for example, due to changes in transaction price)		-		-		-		-