Debt (Tables)

6 Months Ended

Jun. 30, 2021

Debt

Summary of senior indebtedness

	June 30, 2021		December 31, 2020
Principal balance	$	3,425,378	$	6,653,292
Plus: End of term fee		—		534,237
Less: Debt issuance costs		—		(12,500)
Total senior debt	$	3,425,378	$	7,175,029

Summary of interest expense on the Senior Debt

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
Interest expense for term loan	$	115,525	$	340,477	$	276,437	$	728,043
Amortization of debt issuance costs		—		12,500		12,500		12,500
PIK interest		—		4,432		—		44,449
	$	115,525	$	357,409	$	288,937	$	784,992