| Summary of Intangible Assets by Major Class |
The following tables summarize the gross carrying amounts and accumulated amortization of intangible assets by major class (in thousands):
| |
|
September 30, 2016 |
|
|
Intangible assets subject to amortization
(Definite-lived)
|
|
Gross |
|
|
Accumulated
Amortization
|
|
|
Net |
|
Customer relationships |
|
$ |
16,852 |
|
|
$ |
(2,247 |
) |
|
$ |
14,605 |
|
Non-compete agreements |
|
|
94 |
|
|
|
(38 |
) |
|
|
56 |
|
Licenses and permits |
|
|
1,471 |
|
|
|
(258 |
) |
|
|
1,213 |
|
Developed technology |
|
|
6,131 |
|
|
|
(1,226 |
) |
|
|
4,905 |
|
| |
|
|
24,548 |
|
|
|
(3,769 |
) |
|
|
20,779 |
|
|
Intangible assets not subject to amortization
(Indefinite-lived)
|
|
|
|
|
|
|
|
|
|
|
|
|
Emissions Allowance |
|
|
197 |
|
|
|
- |
|
|
|
197 |
|
Trade name |
|
|
2,158 |
|
|
|
- |
|
|
|
2,158 |
|
Total |
|
$ |
26,903 |
|
|
$ |
(3,769 |
) |
|
$ |
23,134 |
|
| |
|
December 31, 2015 |
|
|
Intangible assets subject to amortization
(Definite-lived)
|
|
Gross |
|
|
Accumulated
Amortization
|
|
|
Net |
|
Customer relationships |
|
$ |
16,852 |
|
|
$ |
(1,404 |
) |
|
$ |
15,448 |
|
Non-compete agreements |
|
|
94 |
|
|
|
(24 |
) |
|
|
70 |
|
Licenses and permits |
|
|
1,471 |
|
|
|
(160 |
) |
|
|
1,311 |
|
Developed technology |
|
|
6,131 |
|
|
|
(766 |
) |
|
|
5,365 |
|
| |
|
|
24,548 |
|
|
|
(2,354 |
) |
|
|
22,194 |
|
|
Intangible assets not subject to amortization
(Indefinite-lived)
|
|
|
|
|
|
|
|
|
|
|
|
|
Emissions Allowance |
|
|
197 |
|
|
|
- |
|
|
|
197 |
|
Trade name |
|
|
2,158 |
|
|
|
- |
|
|
|
2,158 |
|
Total |
|
$ |
26,903 |
|
|
$ |
(2,354 |
) |
|
$ |
24,549 |
|
|
| Estimated Amortization Expenses for Succeeding Five Fiscal Years |
Based on identified intangible assets that are subject to amortization as of September 30, 2016, we expect future amortization expenses for each period to be as follows (in thousands):
| |
|
Remainder of
2016
|
|
|
2017
|
|
|
2018
|
|
|
2019
|
|
|
2020
|
|
|
Thereafter
|
|
Customer relationships |
|
$ |
281 |
|
|
$ |
1,123 |
|
|
$ |
1,123 |
|
|
$ |
1,123 |
|
|
$ |
1,123 |
|
|
$ |
9,832 |
|
Non-compete agreements |
|
|
6 |
|
|
|
19 |
|
|
|
19 |
|
|
|
12 |
|
|
|
- |
|
|
|
- |
|
Licenses and permits |
|
|
26 |
|
|
|
106 |
|
|
|
106 |
|
|
|
106 |
|
|
|
106 |
|
|
|
763 |
|
Developed technology |
|
|
153 |
|
|
|
613 |
|
|
|
613 |
|
|
|
613 |
|
|
|
613 |
|
|
|
2,300 |
|
Total future amortization expense |
|
$ |
466 |
|
|
$ |
1,861 |
|
|
$ |
1,861 |
|
|
$ |
1,854 |
|
|
$ |
1,842 |
|
|
$ |
12,895 |
|
|