Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Schedule of Product Warranty Liability

Activity related to warranty claims are as follows:

	December 31, 2023		December 31, 2022
(in thousands)
Beginning balance	$	722	$	762
Adjustments to reserve	40		184
Warranty claims settled	(112)		(224)
Ending balance	$	650	$	722

Schedule of Cash, Cash Equivalents, and Cash Held on Behalf of Customer

Cash and cash equivalents and cash held on behalf of customers consist of the following:

(in thousands)	December 31, 2023		December 31, 2022
Cash and cash equivalents
Cash	$	37,329	$	18,856
Money market funds	40		51,472
Cash held on behalf of customers	10,170		7,205
Total cash, cash equivalents, and cash held on behalf of customers	$	47,539	$	77,533

Schedule of Short-Term Investment

The carrying value of investment securities consist of the following:

(in thousands)	December 31, 2023		December 31, 2022
Short-term investments
Treasury bills and notes	$	37,194	$	40,290
Total Short-term Investments	$	37,194	$	40,290

Schedule of Reconciliation of Weighted Average Shares Outstanding for the Basic and Diluted Loss Per Share

The following is a reconciliation of the weighted average shares outstanding for the basic and diluted loss per share computations:

	December 31,
(in thousands, except per share data)	2023		2022		2021
Net loss	$	(69,752)	$	(69,319)	$	(75,799)
Basic:
Weighted average common shares	27,552		27,152		25,088
Loss per common share, basic	$	(2.53)	$	(2.55)	$	(3.02)
Diluted:
Weighted average common shares	27,552		27,152		25,088
Loss per common share, diluted	$	(2.53)	$	(2.55)	$	(3.02)