Segment and Related Information (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($) segment	Mar. 31, 2019 USD ($)
Segment and Related Information [Abstract]
Number of operating segments \| segment	2
Number of reportable segments \| segment	2
Information as to the Company's segments [Abstract]
Revenue	$ 54,732	$ 44,682
Operating loss	(5,455)	(2,101)
Other expense	(625)	(430)
Interest expense, net	(1,972)	(146)
Loss on extinguishment of debt	(8,123)	0
Loss before benefit from (provision for) income taxes	(16,175)	(2,677)
Depreciation, amortization and accretion	3,142	1,012
Capital expenditures including software costs	2,040	1,923
Operating segments \| Restaurant/Retail
Information as to the Company's segments [Abstract]
Revenue	37,409	29,560
Operating loss	(6,070)	(2,982)
Depreciation, amortization and accretion	1,855	868
Capital expenditures including software costs	1,707	1,063
Operating segments \| Government
Information as to the Company's segments [Abstract]
Revenue	17,323	15,122
Operating loss	1,179	1,363
Depreciation, amortization and accretion	16	19
Capital expenditures including software costs	211	176
Other
Information as to the Company's segments [Abstract]
Operating loss	(564)	(482)
Depreciation, amortization and accretion	1,271	125
Capital expenditures including software costs	122	684
Reportable geographical components \| United States
Information as to the Company's segments [Abstract]
Revenue	52,631	41,925
Reportable geographical components \| Other Countries
Information as to the Company's segments [Abstract]
Revenue	$ 2,101	$ 2,757

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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