Prepaid Expenses and Other Current Assets	9 Months Ended
Sep. 30, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid Expenses and Other Current Assets	Prepaid Expenses and Other Current Assets As of September 30, 2018, the Company had approximately $346 thousand recorded as prepaid expenses and other current assets. Of this amount, approximately $22 thousand is the amount of remaining prepaid expense related to Renaissance Lakewood, LLC ("Renaissance") (see Note 9 - Commitments). Per the terms of its agreement with Renaissance, the Company was obligated to make a $245 thousand deposit during 2017 to fund the initial costs of the product development work to be performed by Renaissance on behalf of the Company. As of September 30, 2018, the Company has prepaid insurance in the amount of $104 thousand. During the year ended December 31, 2017, the Company purchased approximately $100 thousand of research and development supplies related to the above referenced product development work being performed by Renaissance. As provided under the agreement with Renaissance, the Company is obligated to pay for all supplies and materials that are needed to complete this product development work. As of September 30, 2018 and December 31, 2017, the amount of remaining prepaid expense was $76 thousand and $100 thousand, respectively because it is estimated that these supplies will be used within 12 months of the reporting date. The remaining balance consists primarily of prepaid expenses such as rent, other insurance, and software licenses.

Prepaid Expenses and Other Current Assets

As of September 30, 2018, the Company had approximately $346 thousand recorded as prepaid expenses and other current assets. Of this amount, approximately $22 thousand is the amount of remaining prepaid expense related to Renaissance Lakewood, LLC ("Renaissance") (see Note 9 - Commitments). Per the terms of its agreement with Renaissance, the Company was obligated to make a $245 thousand deposit during 2017 to fund the initial costs of the product development work to be performed by Renaissance on behalf of the Company.

As of September 30, 2018, the Company has prepaid insurance in the amount of $104 thousand.

During the year ended December 31, 2017, the Company purchased approximately $100 thousand of research and development supplies related to the above referenced product development work being performed by Renaissance. As provided under the agreement with Renaissance, the Company is obligated to pay for all supplies and materials that are needed to complete this product development work. As of September 30, 2018 and December 31, 2017, the amount of remaining prepaid expense was $76 thousand and $100 thousand, respectively because it is estimated that these supplies will be used within 12 months of the reporting date.

The remaining balance consists primarily of prepaid expenses such as rent, other insurance, and software licenses.