Condensed Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash Flows From Operating Activities:
Net loss	$ (5,782,059)	$ (2,044,804)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	20,949	8,073
Warranty provision	10,776	0
Inventory write-off	(130,591)	0
Non-cash lease expense	50,957	0
Share-based compensation	1,074,555	322,811
Changes in assets and liabilities:
Accounts receivable	(91,109)	0
Inventories	(1,685,059)	5,903
Prepaid expenses and other current assets	29,705	32,227
Accounts payable	508,457	40,317
Operating lease liability	(34,035)	0
Customer deposits	238,510	0
Accrued liabilities and other	76,669	4,592
Deferred compensation	(96,000)	0
Deferred revenue	2,288	0
Net cash used in operating activities	(5,805,987)	(1,630,881)
Cash Flows From Investing Activities:
Capital expenditures for property and equipment	(197,873)	(8,015)
Investment in patents and trademarks	(95,536)	(48,226)
Long-term deposits	(11,169)	0
Net cash used in investing activities	(304,578)	(56,241)
Cash Flows From Financing Activities:
Sale of common stock and warrants	11,351,214	0
Proceeds from exercise of warrants	1,632,285	0
Proceeds from exercise of stock options	30,000	0
Payment of notes payable	0	(31,359)
Net cash provided by financing activities	13,013,499	(31,359)
Net increase (decrease) in cash and cash equivalents	6,902,934	(1,718,481)
Cash, beginning of period	12,358,896	3,083,976
Cash, end of period	19,261,830	1,365,495
Supplemental Disclosure of Non-Cash Investing and Financing Activities:
Prepaid insurance financed with note payable	0	39,435
Right-of-use assets and liabilites recorded during period	341,000	0
Issuance costs relating to warrants issued to public offering selling agent	$ 205,894	$ 0