Accrued Expense	6 Months Ended
Jun. 30, 2022
Accrued Expense
Accrued Expense	6. Accrued Expense As of June 30, 2022, current liabilities included accrued expenses of $0.6 million, comprised primarily of accrued employee vacation and bonus expenses of $0.3 million, manufacturing and testing services of $0.1 million, professional and consulting fees of $0.1 million and legal and patent fees of $0.1 million. As of December 31, 2021, current liabilities included accrued expenses of $0.8 million, comprised primarily of accrued employee vacation and bonus expenses of $0.4 million, franchise tax expense of $0.1 million, legal and patent fees of $0.1 million, manufacturing expenses of $0.1 million and other accrued expenses of $0.1 million.

The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(a),20,24)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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