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)		12 Months Ended
	Jan. 01, 2019 USD ($)	Dec. 31, 2019 USD ($) Segment Stockholder $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) shares	Oct. 31, 2019 $ / shares	Oct. 29, 2019 $ / shares shares
Accounting Policies [Line Items]
Restricted cash		$ 312,000	$ 312,000
Depreciation expense		1,000,000	900,000	$ 1,200,000
Losses on disposal of internally developed software		$ 0	$ 1,200,000	$ 500,000
Number of reporting segment \| Segment		1
Temporary equity preferred stock, shares issued \| shares		70,000	0
Common stock, par value \| $ / shares		$ 0.001	$ 0.001
Shares issued, price per share \| $ / shares					$ 0.5750
Revenue from products and services transferred to customers, percentage		81.00%	86.00%	85.00%
Revenue from services transferred to customers over time, percentage		19.00%	14.00%	15.00%
Undelivered elements (product training, installation, product and support services)		$ 559,000	$ 730,000
Revenue recognized from contract liability		500,000	800,000
Extended warranties recognized		700,000	800,000
Deferred royalties recognized		0	11,000
Advertising costs		500,000	600,000	$ 600,000
Compensation cost related to stock options		2,742,000	2,768,000	$ 2,207,000
Total unrecognized compensation cost		$ 2,700,000	$ 2,800,000
Unrecognized share based compensation cost to be recognized over weighted-average period			1 year 6 months 14 days
Outstanding stock options, restricted stock units and warrants excluded from diluted loss per share \| shares		6,922,000	5,862,000	3,384,000
Common stock, shares issued \| shares		31,439,144	21,972,000
Operating lease, right-of-use asset		$ 276,000
Operating lease, liability		$ 326,000
ASU 2016-02
Accounting Policies [Line Items]
Operating lease, right-of-use asset	$ 800,000
Adjustment for deferred rent	200,000
Operating lease, liability	1,000,000
Cumulative-effect adjustment to retained earnings	$ 0
Executives
Accounting Policies [Line Items]
Fair value assumptions, forfeiture rate		10.05%
Employees
Accounting Policies [Line Items]
Fair value assumptions, forfeiture rate		48.73%
Performance-Based Awards
Accounting Policies [Line Items]
Compensation cost related to stock options		$ 400,000
U S \| Maximum
Accounting Policies [Line Items]
Product warrant period		2 years	2 years
U S \| Waterlase Systems
Accounting Policies [Line Items]
Product warrant period				1 year
International \| Maximum
Accounting Policies [Line Items]
Product warrant period		28 months	28 months
Series E Convertible Preferred Stock
Accounting Policies [Line Items]
Temporary equity preferred stock, shares issued \| shares		69,565
Convertible preferred shares issuable to number of equity stockholders \| Stockholder		2
Percentage of common stock holding by shareholders		60.00%
Shares issued, price per share \| $ / shares		$ 57.50
Convertible preferred stock, shares issued upon conversion \| shares		100				100
Private Placement \| Series E Convertible Preferred Stock
Accounting Policies [Line Items]
Temporary equity preferred stock, shares issued \| shares		69,565	69,565			69,565
Common stock, par value \| $ / shares		$ 0.001
Shares issued, price per share \| $ / shares		$ 57.50				$ 57.50
Convertible preferred stock, shares issued upon conversion \| shares		69,565
Common stock, shares issued \| shares		6,965,500
Corporate Credit Cards
Accounting Policies [Line Items]
Restricted cash		$ 200,000
Western Alliance \| Commercial Credit Card
Accounting Policies [Line Items]
Restricted cash		$ 100,000