BIOLASE, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

Summary of Significant Accounting Policies - Additional Information (Detail) $ / shares in Units, $ in Thousands		12 Months Ended
	Jun. 08, 2020 shares	Dec. 31, 2022 USD ($) Segment $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($) Stockholder $ / shares shares	Feb. 10, 2021 $ / shares	Jul. 23, 2020 shares	Oct. 31, 2019 USD ($)
Accounting Policies [Line Items]
Restricted cash \| $		$ 0	$ 203
Depreciation expense \| $		$ 500	$ 400	$ 500
Number of reporting segment \| Segment		1
Convertible preferred shares issuable to number of equity stockholders \| Stockholder					2
Common stock, par value \| $ / shares		$ 0.001	$ 0.001
Share price \| $ / shares						$ 25.75
Revenue from products and services transferred to customers, percentage		88.00%	88.00%	81.00%
Revenue from services transferred to customers over time, percentage		12.00%	12.00%	19.00%
Contract With Customer Liability Deferred Revenue Undelivered Elements \| $		$ 400	$ 800
Contract With Customer Liability Revenue Recognized Undelivered Elements \| $		800	600
Extended warranties recognized \| $		1,400	1,100
Advertising costs \| $		1,500	1,400	$ 600
Compensation cost related to stock options \| $		2,303	1,662	$ 3,370
Total unrecognized compensation cost \| $		$ 1,000	800
Unrecognized share based compensation cost to be recognized over weighted-average period		10 months 24 days
Valuation allowance \| $		$ (31,235)	$ (27,261)
Outstanding stock options, restricted stock units and warrants excluded from diluted loss per share		2,700,000	900,000	2,400,000
Shares issued		7,723,000	6,149,000
Series F Preferred stock, par value \| $ / shares		$ 0.001	$ 0.001
Forfeiture Rate One
Accounting Policies [Line Items]
Fair value assumptions, forfeiture rate		10.87%		10.91%
Forfeiture Rate Two
Accounting Policies [Line Items]
Fair value assumptions, forfeiture rate		10.91%	25.91%	49.40%
Forfeiture Rate Three
Accounting Policies [Line Items]
Fair value assumptions, forfeiture rate		28.25%	40.21%
Forfeiture Rate Four
Accounting Policies [Line Items]
Fair value assumptions, forfeiture rate		37.49%	49.45%
Performance-Based Awards
Accounting Policies [Line Items]
Compensation cost related to stock options \| $		$ 200	$ 0
International \| Maximum
Accounting Policies [Line Items]
Product warrant period		24 months	24 months
Series E Convertible Preferred Stock
Accounting Policies [Line Items]
Convertible preferred stock, shares issued and sold		0	0		69,565
Series E Preferred stock, par value \| $ / shares					$ 0.001
Percentage of common stock holding by shareholders					60.00%
Convertible preferred stock, shares issued upon conversion					4
Temporary equity numbers of shares sold					69,565
Conversion Of Preferred Stock Into Common Stock					278,240
Temporary equity net proceeds from conversion to common stock \| $					$ 4,000
Series E Preferred stock, shares issued		0	0		69,565
Series E Preferred stock, shares outstanding		0	0
Series F Convertible Preferred Stock
Accounting Policies [Line Items]
Conversion Of Preferred Stock Into Common Stock							1,800,000
Series E Preferred stock, shares outstanding			251	882
Series F Preferred stock, par value \| $ / shares			$ 0.001
Private Placement
Accounting Policies [Line Items]
Temporary equity numbers of shares sold	432,000,000
Outstanding stock options, restricted stock units and warrants excluded from diluted loss per share			600,000
Private Placement \| Series E Convertible Preferred Stock
Accounting Policies [Line Items]
Common stock, par value \| $ / shares					$ 0.001
Share price \| $ / shares					$ 57.50
Temporary equity numbers of shares sold					69,565
Temporary equity net proceeds from conversion to common stock \| $								$ 4,000
Private Placement \| Series F Convertible Preferred Stock
Accounting Policies [Line Items]
Convertible preferred stock, shares issued upon conversion			251