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Summary of significant accounting policies (Tables)

12 Months Ended

Dec. 31, 2021

Summary of significant accounting policies [Abstract]

Allowance for Doubtful Accounts

The following table summarizes the activity recorded in the valuation account for accounts receivable:

		Year Ended December 31,
(In thousands)		2021				2020
Balance, beginning of period		$	220			$	221
Additions charged to costs and expenses			–				1
Deductions			(1	)			(2	)
Balance, end of period		$	219			$	220

Disaggregation of Revenue

The following table disaggregates our revenue by market type, as we believe it best depicts how the nature, amount, timing and uncertainty of our revenue and cash flows are affected by economic factors.  Sales and usage-based taxes are excluded from revenues.

		Year Ended December 31, 2021
(In thousands)		United States				International				Total
Food service technology		$	11,738			$	887			$	12,625
POS automation			4,817				8				4,825
Casino and gaming			10,173				5,129				15,302
Printrex			171				460				631
TransAct Services Group			5,501				502				6,003
Total net sales		$	32,400			$	6,986			$	39,386

		Year Ended December 31, 2020
(In thousands)		United States				International				Total
Food service technology		$	6,956			$	778			$	7,734
POS automation			3,763				7				3,770
Casino and gaming			6,852				4,127				10,979
Lottery			817				–				817
Printrex			83				217				300
TransAct Services Group			6,262				733				6,995
Total net sales		$	24,733			$	5,862			$	30,595

Net Contract (Liabilities) Assets

Net contract (liabilities) assets consist of the following:

		December 31,
(In thousands)		2021				2020
Unbilled receivables, current		$	314			$	290
Unbilled receivables, non-current			308				591
Customer pre-payments			(99	)			(216	)
Deferred revenue, current			(805	)			(504	)
Deferred revenue, non-current			(186	)			(111	)
Net contract (liabilities) assets		$	(468	)		$	50

Concentration of Credit Risk

Accounts receivable from customers representing 10% or more of total accounts receivable were as follows:

		December 31,
		2021				2020
Chain Link Services			10	%			–
International Gaming Technology (“IGT”)			3	%			11	%
NCR Corporation			11	%			2	%

Sales to customers representing 10% or more of total net sales were as follows:

		December 31,
		2021				2020
IGT			9	%			15	%

Product Warranty Liability

The following table summarizes the activity recorded in the accrued product warranty liability:

		December 31,
(In thousands)		2021				2020
Balance, beginning of period		$	140			$	215
Warranties issued			44				56
Warranty settlements			(83	)			(131	)
Balance, end of period		$	101			$	140

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