Borrowing Arrangements (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Required Future Principal Payments

Future required principal and final payments on the K2 Loan were as follows at December 31, 2020 ($ in thousands):

2021	—
2022	4,105
2023	7,537
2024	3,358
Total Principal Amounts	15,000
Final Fee Due at Maturity	861
Unamortized discount, deferred costs and final fee	(935	)
Total Long-Term Debt, net	14,926