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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Schedule of Property and Equipment and Depreciation Calculated using Straight-line Method over useful Life of Asset Depreciation is calculated using the straight-line method over the useful lives of the assets as follows:

 

Asset

 

Estimated useful life

Manufacturing and laboratory equipment

 

Three to five years

Computer hardware

 

Three to five years

Office furniture and equipment

 

Three to five years

Property and equipment, net, consisted of the following (in thousands):

 

 

 

December 31,

 

 

 

2020

 

 

2019

 

Manufacturing and laboratory equipment

 

$

2,179

 

 

$

1,863

 

Computer hardware

 

 

28

 

 

 

28

 

Office furniture and equipment

 

 

28

 

 

 

28

 

Leasehold improvement

 

 

234

 

 

 

—

 

Construction in progress

 

 

611

 

 

 

795

 

Total property and equipment, at cost

 

 

3,080

 

 

 

2,714

 

Less: accumulated depreciation

 

 

(1,134

)

 

 

(739

)

Property and equipment, net

 

$

1,946

 

 

$

1,975