Other assets, net of accumulated amortization consisted of the following (in thousands): | | | | | | | | | | | Website development | | $ | 90 | | | $ | 90 | | Licenses | | | 520 | | | | 552 | | Patents and trademarks | | | 366 | | | | 366 | | Total Other Assets | | | 976 | | | | 1,008 | | Less: Accumulated Amortization | | | (778 | ) | | | (778 | ) | Other assets, net | | $ | 198 | | | $ | 230 | | | | | | | | | | | | | | | | Amortization expense on website development | | $ | 14 | | | $ | 12 | | | $ | - | | Amortization expense on licenses | | | 18 | | | | 16 | | | | 16 | | Amortization expense on patents and trademarks | | | 18 | | | | 17 | | | | 18 | | Change in estimate on patents and trademarks 1 | | | - | | | | - | | | | 73 | | Total amortization expense | | $ | 50 | | | $ | 45 | | | $ | 107 | | | The change in estimate is the result of the review of information contained in the amortization assumptions which is based on new information resulted in a non-recurring change in the amortization expense. | Future amortization is expected to be as follows (in thousands): Year ended June 30, 2019 | | $ | 50 | | 2020 | | | 24 | | 2021 | | | 23 | | 2022 | | | 23 | | 2023 | | | 23 | | Thereafter | | | 55 | | | | $ | 198 | |
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