Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets
Cash	$ 11,999	$ 17,994
Prepaid expenses and other current assets	168	150
Total Current Assets	12,167	18,144
Non-current assets
Property and equipment, net	142	186
Deferred offering costs	3,362	2,439
Right of use assets - financing leases	990	0
Right of use assets - operating leases	762	0
Other non-current assets	141	141
Total Non-Current Assets	5,397	2,766
Total Assets	17,564	20,910
Current liabilities
Accounts payable	462	620
Accrued expenses and other current liabilities	1,485	1,778
Short-term financing lease liability	517	0
Short-term operating lease liability	135	0
Loan payable, current	174	174
Total Current Liabilities	2,773	2,572
Deferred rent	0	17
Long-term financing lease liability	432	0
Long-term operating lease liability	698	0
Total Liabilities	3,903	2,589
Commitments and Contingencies
Convertible preferred stock, Series A, par value $0.0001 per share; 27,564,260 shares authorized at June 30, 2021 and December 31, 2020; 9,993,727 shares, issued and outstanding at June 30, 2021 and December 31, 2020, and a liquidation preference of $39,390 and $37,969 at June 30, 2021 and December 31, 2020, respectively	34,900	34,900
Stockholders' Deficit
Common stock, par value $0.0001 per share; 50,700,000 shares authorized at June 30, 2021 and December 31, 2020; 3,764,488 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively	1	1
Additional paid-in capital	2,211	1,458
Accumulated deficit	(23,451)	(18,038)
Total Stockholders' Deficit	(21,239)	(16,579)
Total Liabilities, Convertible Preferred Stock and Stockholders' Deficit	$ 17,564	$ 20,910

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).