XML 37 R23.htm IDEA: XBRL DOCUMENT
v3.22.4

15. QUARTERLY FINANCIAL INFORMATION (Unaudited) | 12 Months Ended
--- | ---
Dec. 31, 2022
Quarterly Financial Information Disclosure [Abstract] |
15. QUARTERLY FINANCIAL INFORMATION (Unaudited) | 15. QUARTERLY FINANCIAL INFORMATION (Unaudited) The following table summarizes our unaudited quarterly financial information for the periods shown below (in thousands, except per share data):
|  | Fiscal Year 2022 |
|  | December 31, |  |  | September 30, |  |  | June 30, |  |  | March 31, |
Revenue |  | $ | — |  |  | $ | — |  |  | $ | 314 |  |  | $ | 350 |
Gross profit |  |  | (33 | ) |  |  | (45 | ) |  |  | 296 |  |  |  | 346 |
Net loss |  |  | (13,475 | ) |  |  | (12,851 | ) |  |  | (13,597 | ) |  |  | (13,168 | )
Net loss per share, basic and diluted |  |  | (0.08 | ) |  |  | (0.08 | ) |  |  | (0.08 | ) |  |  | (0.08 | )
|  | Fiscal Year 2021 |
|  | December 31, |  |  | September 30, |  |  | June 30, |  |  | March 31, |
Revenue |  | $ | 557 |  |  | $ | 718 |  |  | $ | 746 |  |  | $ | 479 |
Gross profit |  |  | 509 |  |  |  | 728 |  |  |  | 777 |  |  |  | 484 |
Net loss |  |  | (12,625 | ) |  |  | (9,382 | ) |  |  | (14,962 | ) |  |  | (6,231 | )
Net loss per share, basic and diluted |  |  | (0.08 | ) |  |  | (0.06 | ) |  |  | (0.09 | ) |  |  | (0.04 | )
|  | Fiscal Year 2020 |
|  | December 31, |  |  | September 30, |  |  | June 30, |  |  | March 31, |
Revenue |  | $ | 395 |  |  | $ | 639 |  |  | $ | 587 |  |  | $ | 1,469 |
Gross profit |  |  | 395 |  |  |  | 639 |  |  |  | 588 |  |  |  | 70 |
Net loss |  |  | (3,570 | ) |  |  | (2,826 | ) |  |  | (2,304 | ) |  |  | (4,934 | )
Net loss per share, basic and diluted |  |  | (0.02 | ) |  |  | (0.02 | ) |  |  | (0.02 | ) |  |  | (0.04 | )

X
- References No definition available. + Details
Name: | us-gaap_QuarterlyFinancialInformationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI https://asc.fasb.org/topic&trid=2126967 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=126900988&loc=SL124452896-108306 + Details
Name: | us-gaap_QuarterlyFinancialInformationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration