| 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):
| |
|
June 30, 2016 |
|
|
Intangible assets subject to amortization
(Definite-lived)
|
|
Gross |
|
|
Accumulated
Amortization
|
|
|
Net |
|
Customer relationships |
|
$ |
16,852 |
|
|
$ |
(1,967 |
) |
|
$ |
14,885 |
|
Non-compete agreements |
|
|
94 |
|
|
|
(33 |
) |
|
|
61 |
|
Licenses and permits |
|
|
1,471 |
|
|
|
(225 |
) |
|
|
1,246 |
|
Developed technology |
|
|
6,131 |
|
|
|
(1,073 |
) |
|
|
5,058 |
|
| |
|
|
24,548 |
|
|
|
(3,298 |
) |
|
|
21,250 |
|
|
Intangible assets not subject to amortization
(Indefinite-lived)
|
|
|
|
|
|
|
|
|
|
|
|
|
Emissions Allowance |
|
|
197 |
|
|
|
- |
|
|
|
197 |
|
Trade name |
|
|
2,158 |
|
|
|
- |
|
|
|
2,158 |
|
Total |
|
$ |
26,903 |
|
|
$ |
(3,298 |
) |
|
$ |
23,605 |
|
| |
|
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 June 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 |
|
$ |
560 |
|
|
$ |
1,123 |
|
|
$ |
1,123 |
|
|
$ |
1,123 |
|
|
$ |
1,123 |
|
|
$ |
9,833 |
|
Non-compete agreements |
|
|
10 |
|
|
|
19 |
|
|
|
19 |
|
|
|
13 |
|
|
|
- |
|
|
|
- |
|
Licenses and permits |
|
|
63 |
|
|
|
106 |
|
|
|
105 |
|
|
|
106 |
|
|
|
106 |
|
|
|
760 |
|
Developed technology |
|
|
306 |
|
|
|
613 |
|
|
|
613 |
|
|
|
613 |
|
|
|
613 |
|
|
|
2,300 |
|
Total future amortization expense |
|
$ |
939 |
|
|
$ |
1,861 |
|
|
$ |
1,860 |
|
|
$ |
1,855 |
|
|
$ |
1,842 |
|
|
$ |
12,893 |
|
|