Recently Issued Accounting Standards (Tables)

9 Months Ended

Sep. 30, 2018

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Disaggregation of Revenue

The following table disaggregates revenue by major sources:

	THREE MONTHS ENDED				NINE MONTHS ENDED
	SEPTEMBER 30				SEPTEMBER 30
Major Goods/Service Lines	2018		2017 (1)		2018		2017 (1)
Consolidated operations - long-term contracts	$	27,569	$	19,318	$	85,066	$	69,397
Royalty	3,871		2,623		11,255		8,944
Total revenues	$	31,440	$	21,941	$	96,321	$	78,341
Timing of Revenue Recognition
Goods transferred at a point in time	$	17,975	$	12,144	$	55,170	$	46,551
Services transferred over time	13,465		9,797		41,151		31,790
Total revenues	$	31,440	$	21,941	$	96,321	$	78,341

⁽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
	Trade accounts receivable, net			Contract liability (current)			Contract liability (long-term)
Balance, January 1, 2018	$	14,611		$	860		$	1,766
Balance, September 30, 2018	12,955			790			2,184
Increase (decrease)	$	(1,656	)	$	(70	)	$	418