| Leasehold Improvements and Equipment | 12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Dec. 31, 2018 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Property, Plant and Equipment [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Leasehold Improvements and Equipment | Note 4 – Leasehold Improvements and Equipment 
 Leasehold improvements and equipment, summarized by major category, consist of the following for the years ended December 31, 2018 and 2017: 
 
 
 Depreciation and amortization expense for the years ended December 31, 2018 and 2017 was approximately $218 thousand and $101 thousand, respectively. 
 The Company has entered into capital leases for lab equipment. During the years ended December 31, 2018 and 2017 the Company recognized interest expense of approximately $13 thousand and $6 thousand, respectively, associated with the lease payments. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||