Table:
|  | 2019 | 2018 |
| --- | --- | --- |
| Assets |  |  |
| Prepaid expenses and other | $ 3,481 | $ 2,921 |
| Other assets - net | 2,016 | 2,193 |
| Total | $ 5,497 | $ 5,114 |
Paragraphs:
Deferred contract costs are classified as current or non-current within prepaid expenses and other, and other assets – net, respectively. The balances of deferred contract costs as of December 31, 2019 and 2018, included in the balance sheet were as follows:
For the years ended December 31, 2019 and 2018, the Partnership recognized expense of $3,757 and $2,740, respectively associated with the amortization of deferred contract costs, primarily within selling, general and administrative expenses in the statements of income.
Deferred contract costs are assessed for impairment on an annual basis. An impairment charge is recognized to the extent the carrying amount of a deferred cost exceeds the remaining amount of consideration expected to be received in exchange for the goods and services related to the cost, less the expected costs related directly to providing those goods and services that have not yet been recognized as expenses. There have been no impairment charges recognized for the year ended December 31, 2019 and 2018.
Question:
How often are Deferred contract costs are assessed for impairment?
Answer: on an annual basis