Contract balances and significant movements in Contract balances (Tables)

6 Months Ended

Jun. 30, 2018

Summary of Receivables, Contract Assets and Contarct Liability from Contracts with Customers and Significant Change in Contract Assets and Contract Liabilities

In accordance with ASC 606 disclosures, the following table provides information about receivables, Contracts assets, and Contract liabilities from contracts with customers and the significant changes in the Contract assets and the Contract liabilities during the period.

	June 30, 2018		December 31, 2017
	($ In thousand)
Contract Assets
Revenue earned in excess of billings		3,302		3,541
Net unbilled receivables		3,302		3,541
Other contract assets		—		—
Total contract assets		3,302		3,541
Contract liabilities
Deferred revenue on uncompleted contracts		3,542		3,240
Other contract liabilities		—		—
Total Contract liabilities	$	3,542	$	3,240

	Three Months ended June 30, 2018				Three Months ended June 30, 2017
	Contract assets		Contract liabilities		Contracts assets		Contract liabilities
	(In thousands)
Revenue recognized that was included in the contract liability balance at the beginning of the period		N.A.		2,965		N.A.		5,911
Transferred to receivables from contract assets recognized at the beginning of the period		3,305		N.A.		4,114		N.A.
Revenue recognized from performance obligations satisfied in previous periods		611		—		1,715		—

	Six Months ended June 30, 2018				Six Months ended June 30, 2017
	Contract assets		Contract liabilities		Contracts assets		Contract liabilities
	(In thousands)
Revenue recognized that was included in the contract liability balance at the beginning of the period		N.A.		3,240		N.A.		7,973
Transferred to receivables from contract assets recognized at the beginning of the period		3,541		N.A.		6,361		N.A.
Revenue recognized from performance obligations satisfied in previous periods		739		—		591		—