Selected Balance Sheet Information (Schedule of Accrued Expenses) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Selected Balance Sheet Information [Abstract]
Clinical trial and other professional fees	$ 1,788	$ 1,607
Bonuses	1,610	2,028
Paid time off	878	699
Customer rebates	272	380
Operating lease liability, current portion	212
Other	541	684
Total accrued expenses	$ 5,301	$ 5,398

Amount of accrued liability relating customer rebate classified as current.

No definition available.

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- Definition

Carrying value as of the balance sheet date of paid time off.

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations and payables relating to clinical trial and other professional fees.

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- 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).

+ References

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- References

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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- Definition

Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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