Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2020

Summary of Significant Accounting Policies

Schedule of balances of contract receivables and liabilities

Contract Balances
	Net Receivables		Contract Liabilities, Current		Contract Liabilities, Long-Term
Opening, January 1, 2019	$	15,321	$	18	$	42
Closing, March 31, 2019		15,193		24		34
Increase (decrease)		(128)		6		(8)
Opening, January 1, 2020	$	16,944	$	14	$	15
Closing, March 31, 2020		13,020		14		12
Increase (decrease)		(3,924)		-		(3)