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v3.19.2

Revenue (Tables) | 6 Months Ended
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Jun. 30, 2019
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | 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 |
|  | June 30, 2019 |  |  | June 30, 2018 |
|  | Treatment |  |  | Services |  |  | Total |  |  | Treatment |  |  | Services |  |  | Total |
Fixed price |  | $ | 10,094 |  |  | $ | 2,709 |  |  | $ | 12,803 |  |  | $ | 9,146 |  |  | $ | 718 |  |  | $ | 9,864 |
Time and materials |  |  | ― |  |  |  | 4,332 |  |  |  | 4,332 |  |  |  | ― |  |  |  | 3,296 |  |  |  | 3,296 |
Total |  | $ | 10,094 |  |  | $ | 7,041 |  |  | $ | 17,135 |  |  | $ | 9,146 |  |  | $ | 4,014 |  |  | $ | 13,160 |
Revenue by Contract Type |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(In thousands) |  | Six Months Ended |  |  | Six Months Ended |
|  | June 30, 2019 |  |  | June 30, 2018 |
|  | Treatment |  |  | Services |  |  | Total |  |  | Treatment |  |  | Services |  |  | Total |
Fixed price |  | $ | 19,999 |  |  | $ | 3,137 |  |  | $ | 23,136 |  |  | $ | 18,105 |  |  | $ | 808 |  |  | $ | 18,913 |
Time and materials |  |  | ― |  |  |  | 5,707 |  |  |  | 5,707 |  |  |  | ― |  |  |  | 6,904 |  |  |  | 6,904 |
Total |  | $ | 19,999 |  |  | $ | 8,844 |  |  | $ | 28,843 |  |  | $ | 18,105 |  |  | $ | 7,712 |  |  | $ | 25,817 |
Revenue by generator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(In thousands) |  | Three Months Ended |  |  | Three Months Ended |
|  | June 30, 2019 |  |  | June 30, 2018 |
|  | Treatment |  |  | Services |  |  | Total |  |  | Treatment |  |  | Services |  |  | Total |
Domestic government |  | $ | 6,537 |  |  | $ | 4,842 |  |  | $ | 11,379 |  |  | $ | 6,011 |  |  | $ | 3,265 |  |  | $ | 9,276 |
Domestic commercial |  |  | 3,395 |  |  |  | 855 |  |  |  | 4,250 |  |  |  | 3,135 |  |  |  | 541 |  |  |  | 3,676 |
Foreign government |  |  | 162 |  |  |  | 1,323 |  |  |  | 1,485 |  |  |  | ― |  |  |  | 185 |  |  |  | 185 |
Foreign commercial |  |  | ― |  |  |  | 21 |  |  |  | 21 |  |  |  | ― |  |  |  | 23 |  |  |  | 23 |
Total |  | $ | 10,094 |  |  | $ | 7,041 |  |  | $ | 17,135 |  |  | $ | 9,146 |  |  | $ | 4,014 |  |  | $ | 13,160 |
Revenue by generator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(In thousands) |  | Six Months Ended |  |  | Six Months Ended |
|  | June 30, 2019 |  |  | June 30, 2018 |
|  | Treatment |  |  | Services |  |  | Total |  |  | Treatment |  |  | Services |  |  | Total |
Domestic government |  | $ | 14,449 |  |  | $ | 5,529 |  |  | $ | 19,978 |  |  | $ | 12,546 |  |  | $ | 6,383 |  |  | $ | 18,929 |
Domestic commercial |  |  | 5,274 |  |  |  | 1,613 |  |  |  | 6,887 |  |  |  | 5,559 |  |  |  | 943 |  |  |  | 6,502 |
Foreign government |  |  | 220 |  |  |  | 1,659 |  |  |  | 1,879 |  |  |  | ― |  |  |  | 338 |  |  |  | 338 |
Foreign commercial |  |  | 56 |  |  |  | 43 |  |  |  | 99 |  |  |  | ― |  |  |  | 48 |  |  |  | 48 |
Total |  | $ | 19,999 |  |  | $ | 8,844 |  |  | $ | 28,843 |  |  | $ | 18,105 |  |  | $ | 7,712 |  |  | $ | 25,817 |
Schedule of Contract Assets and Liabilities | The following table represents changes in our contract assets and contract liabilities balances:
|  |  |  |  |  |  |  | Year-to-date |  |  | Year-to-date |
(In thousands) |  | June 30, 2019 |  |  | December 31, 2018 |  |  | Change ($) |  |  | Change (%) |
Contract assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Account receivables, net of allowance |  | $ | 7,747 |  |  | $ | 7,735 |  |  | $ | 12 |  |  |  | 0.2 | %
Unbilled receivables - current |  |  | 6,158 |  |  |  | 3,105 |  |  |  | 3,053 |  |  |  | 98.3 | %
Contract liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred revenue |  | $ | 4,785 |  |  | $ | 6,595 |  |  | $ | (1,810 | ) |  |  | (27.4 | )%

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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