Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 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, June 30, 2019		16,285		19		29
Increase (decrease)		964		1		(13)
Opening, January 1, 2020	$	16,944	$	14	$	15
Closing, June 30, 2020		14,049		14		9
Increase (decrease)		(2,895)		-		(6)