Quarterly report pursuant to Section 13 or 15(d)

Revenue

Revenue

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

3.	Revenue

Disaggregation of Revenue

In general, the Company’s business segmentation is aligned according to the nature and economic characteristics of our services and provides meaningful disaggregation of each business segment’s results of operations. The nature of the Company’s performance obligations within our Treatment and Services Segments result in the recognition of our revenue primarily over time. The following tables present further disaggregation of our revenues by different categories for our Services and Treatment Segments:

Revenue by Contract Type

(In thousands)	Three Months Ended						Three Months Ended
	September 30, 2019						September 30, 2018
	Treatment		Services		Total		Treatment		Services		Total
Fixed price	$	10,081	$	5,364	$	15,445	$	9,103	$	304	$	9,407
Time and materials		―		7,090		7,090		―		2,577		2,577
Total	$	10,081	$	12,454	$	22,535	$	9,103	$	2,881	$	11,984

Revenue by Contract Type

(In thousands)	Nine Months Ended						Nine Months Ended
	September 30, 2019						September 30, 2018
	Treatment		Services		Total		Treatment		Services		Total
Fixed price	$	30,079	$	9,231	$	39,310	$	27,207	$	1,040	$	28,247
Time and materials		―		12,068		12,068		―		9,554		9,554
Total	$	30,079	$	21,299	$	51,378	$	27,207	$	10,594	$	37,801

Revenue by generator

(In thousands)	Three Months Ended						Three Months Ended
	September 30, 2019						September 30, 2018
	Treatment		Services		Total		Treatment		Services		Total
Domestic government	$	7,537	$	10,155	$	17,692	$	6,552	$	1,848	$	8,400
Domestic commercial		2,535		475		3,010		2,437		718		3,155
Foreign government		―		1,804		1,804		114		294		408
Foreign commercial		9		20		29		―		21		21
Total	$	10,081	$	12,454	$	22,535	$	9,103	$	2,881	$	11,984

Revenue by generator

(In thousands)	Nine Months Ended						Nine Months Ended
	September 30, 2019						September 30, 2018
	Treatment		Services		Total		Treatment		Services		Total
Domestic government	$	21,986	$	15,683	$	37,669	$	19,098	$	8,231	$	27,329
Domestic commercial		7,809		2,088		9,897		7,995		1,661		9,656
Foreign government		220		3,465		3,685		114		632		746
Foreign commercial		64		63		127		―		70		70
Total	$	30,079	$	21,299	$	51,378	$	27,207	$	10,594	$	37,801

Contract Balances

The timing of revenue recognition, billings, and cash collections results in accounts receivable and unbilled receivables (contract assets). The Company’s contract liabilities consist of deferred revenues which represents advance payment from customers in advance of the completion of our performance obligation.

The following table represents changes in our contract assets and contract liabilities balances:

					Year-to-date			Year-to-date
(In thousands)	September 30, 2019		December 31, 2018		Change ($)			Change (%)
Contract assets
Account receivables, net of allowance	$	10,781	$	7,735	$	3,046			39.4	%
Unbilled receivables - current		9,245		3,105		6,140			197.7	%

Contract liabilities
Deferred revenue	$	6,239	$	6,595	$	(356	)		(5.4	)%

During the three and nine months ended September 30, 2019, the Company recognized revenue of $1,877,000 and $9,322,000, respectively, related to untreated waste that was in the Company’s control as of December 31, 2018. During the three and nine months ended September 30, 2018, the Company recognized revenue of $1,032,000 and $6,605,000, respectively, related to untreated waste that was in the Company’s control as of December 31, 2017. All revenue recognized in each period related to performance obligations satisfied within the respective period.

Incremental Costs to Obtain a Contract

Costs incurred to obtain contracts with our customers are immaterial and as a result, the Company expenses (within selling, general and administration expenses (“SG&A”)) incremental costs incurred in obtaining contracts with our customers as incurred.

Remaining Performance Obligations

The Company applies the practical expedient in paragraph 606-10-50-14 of ASC 606, “Revenue from Contract with Customers,” and does not disclose information about remaining performance obligations that have original expected durations of one year or less.