Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities
Net loss	$ (4,618,559)	$ (1,572,972)	$ (7,361,354)	$ (5,465,609)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation			79,547	86,482
Non-cash lease expense			1,898,457	1,756,758
Share-based compensation			6,753,340	2,413,434
Gain on debt extinguishment			(2,182,891)
Non-cash interest			24,581
Changes in operating assets and liabilities:
Accounts receivable			(1,558,129)	(80,145)
Inventories			(559,115)	(998,521)
Prepaid expenses and other current assets			(667,659)	(303,870)
Compensating cash arrangement			(928)	(250,295)
Other assets			55,099	(38,566)
Accounts payable			2,328,592	(530,516)
Accrued liabilities			(646,845)	235,026
Deferred revenue			2,649,852	1,112,558
Operating lease liability			(1,787,169)	(1,756,471)
Other liabilities			84,630
Net cash used in operating activities			(889,992)	(3,819,735)
Cash flows from investing activities
Purchase of property and equipment			(1,037,649)	(70,896)
Net cash used in investing activities			(1,037,649)	(70,896)
Cash flows from financing activities
Proceeds from Paycheck Protection Program loan				2,158,310
Proceeds from issuance of stock, net of issuance costs			535,683	15,146,035
Net cash provided by financing activities			535,683	17,304,345
Net (decrease) increase in cash and cash equivalents			(1,391,958)	13,413,714
Cash and cash equivalents at beginning of period			43,939,512	30,182,115
Cash and cash equivalents at end of period	42,547,554	43,595,829	42,547,554	43,595,829
Reconciliation of cash, cash equivalents, and restricted cash to balance sheet as of September 30th:
Cash and cash equivalents	40,243,223	43,595,829	40,243,223	43,595,829
Restricted cash - current	1,604,331		1,604,331
Restricted cash	700,000		700,000
Total cash, cash equivalents, and restricted cash	$ 42,547,554	$ 43,595,829	$ 42,547,554	$ 43,595,829