Revenue, Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of revenue [Abstract]
Total net sales	$ 11,350	$ 14,751	$ 22,900	$ 26,994
United States [Member]
Disaggregation of revenue [Abstract]
Total net sales			17,722
International [Member]
Disaggregation of revenue [Abstract]
Total net sales			5,178
Restaurant Solutions [Member]
Disaggregation of revenue [Abstract]
Total net sales			1,758
Restaurant Solutions [Member] | United States [Member]
Disaggregation of revenue [Abstract]
Total net sales			1,517
Restaurant Solutions [Member] | International [Member]
Disaggregation of revenue [Abstract]
Total net sales			241
POS Automation and Banking [Member]
Disaggregation of revenue [Abstract]
Total net sales			2,921
POS Automation and Banking [Member] | United States [Member]
Disaggregation of revenue [Abstract]
Total net sales			2,898
POS Automation and Banking [Member] | International [Member]
Disaggregation of revenue [Abstract]
Total net sales			23
Casino and Gaming [Member]
Disaggregation of revenue [Abstract]
Total net sales			11,114
Casino and Gaming [Member] | United States [Member]
Disaggregation of revenue [Abstract]
Total net sales			6,916
Casino and Gaming [Member] | International [Member]
Disaggregation of revenue [Abstract]
Total net sales			4,198
Lottery [Member]
Disaggregation of revenue [Abstract]
Total net sales			831
Lottery [Member] | United States [Member]
Disaggregation of revenue [Abstract]
Total net sales			829
Lottery [Member] | International [Member]
Disaggregation of revenue [Abstract]
Total net sales			2
Printrex [Member]
Disaggregation of revenue [Abstract]
Total net sales			627
Printrex [Member] | United States [Member]
Disaggregation of revenue [Abstract]
Total net sales			527
Printrex [Member] | International [Member]
Disaggregation of revenue [Abstract]
Total net sales			100
TransAct Services Group [Member]
Disaggregation of revenue [Abstract]
Total net sales			5,649
TransAct Services Group [Member] | United States [Member]
Disaggregation of revenue [Abstract]
Total net sales			5,035
TransAct Services Group [Member] | International [Member]
Disaggregation of revenue [Abstract]
Total net sales			$ 614