| 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):
| |
|
March 31, 2016 |
|
|
Intangible assets subject to amortization
(Definite-lived)
|
|
Gross |
|
|
Accumulated
Amortization
|
|
|
Net |
|
Customer relationships |
|
$ |
16,852 |
|
|
$ |
(1,685 |
) |
|
$ |
15,167 |
|
Non-compete agreements |
|
|
94 |
|
|
|
(29 |
) |
|
|
65 |
|
Licenses and permits |
|
|
1,471 |
|
|
|
(191 |
) |
|
|
1,280 |
|
Developed technology |
|
|
6,131 |
|
|
|
(919 |
) |
|
|
5,212 |
|
| |
|
|
24,548 |
|
|
|
(2,824 |
) |
|
|
21,724 |
|
|
Intangible assets not subject to amortization
(Indefinite-lived)
|
|
|
|
|
|
|
|
|
|
|
|
|
Emissions Allowance |
|
|
197 |
|
|
|
- |
|
|
|
197 |
|
Trade name |
|
|
2,158 |
|
|
|
- |
|
|
|
2,158 |
|
Total |
|
$ |
26,903 |
|
|
$ |
(2,824 |
) |
|
$ |
24,079 |
|
| |
|
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 March 31, 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 |
|
$ |
842 |
|
|
$ |
1,123 |
|
|
$ |
1,123 |
|
|
$ |
1,123 |
|
|
$ |
1,123 |
|
|
$ |
9,833 |
|
Non-compete agreements |
|
|
14 |
|
|
|
19 |
|
|
|
19 |
|
|
|
13 |
|
|
|
- |
|
|
|
- |
|
Licenses and permits |
|
|
97 |
|
|
|
106 |
|
|
|
105 |
|
|
|
106 |
|
|
|
106 |
|
|
|
760 |
|
Developed technology |
|
|
460 |
|
|
|
613 |
|
|
|
613 |
|
|
|
613 |
|
|
|
613 |
|
|
|
2,300 |
|
Total future amortization expense |
|
$ |
1,413 |
|
|
$ |
1,861 |
|
|
$ |
1,860 |
|
|
|
1,855 |
|
|
$ |
1,842 |
|
|
$ |
12,893 |
|
|