Recently Issued Accounting Standards (Tables)

3 Months Ended

Mar. 31, 2018

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Disaggregation of Revenue

The following table disaggregates revenue by major sources (in thousands):

	THREE MONTHS ENDED
	MARCH 31
Major Goods/Service Lines	2018		2017 (1)
Consolidated operations - long-term contracts	$	28,023	$	25,201
Royalty	3,177		3,099
Total revenues	$	31,200	$	28,300
Timing of Revenue Recognition
Goods transferred at a point in time	$	17,021	$	16,915
Services transferred over time	14,179		11,385
Total revenues	$	31,200	$	28,300

⁽¹⁾ As noted above, prior period amounts have not been adjusted under the modified retrospective method.

Contract Balances

The opening and closing balances of the Company’s current and long-term contract liability, and receivables are as follows:

	Contract balances
	Accounts Receivable			Contract liability (current)		Contract liability (long-term)
Beginning balance January 1, 2018	$	14,611		$	860	$	1,766
Ending balance March 31, 2018	14,004			860		1,458
Increase (decrease)	$	(607	)	$	—	$	(308	)