Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Schedule of Allowance for Doubtful Accounts Activity

The following table shows the allowance for doubtful accounts activity (in thousands):

	Year Ended December 31,
	2020			2019
Balance at beginning of period	$	305		$	193
Provision for doubtful accounts		42			254
Deductions		(263	)		(142	)
Balance at end of period	$	84		$	305

Property And Equipment Estimated Useful Lives [Table Text Block]

Property and equipment are recorded at cost and are depreciated on a straight-line basis over their estimated useful lives as follows:

Computer hardware and software	4-5 years
Furniture and fixtures	5 years
Machinery and equipment	5-10 years
Lasers	3-5 years
Automobiles	5 years