SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Estimated Useful Lives of Assets

Depreciation and amortization of assets are computed by the straight-line method over the following estimated useful lives of the assets:

Classification	Useful Life
Buildings	20-40 years
Enterprise Resource Planning (“ERP”) System	15 years
Leasehold improvements	2-15 years
Machinery and equipment	2-12 years
Furniture and fixtures	2-10 years
Computers and computer software	2-5 years
Automobiles	2-5 years

Amounts Used In Basic and Diluted Earnings (Loss) Per Share

Amounts used in basic and diluted loss per share, for all periods presented, are as follows (in thousands):

	Twelve Months Ended December 31,
	2020	2019	2018
Weighted-average number of basic shares outstanding	30,638	30,310	30,031
Stock options, stock units and performance awards	—	—	—
Convertible senior notes	—	—	—
Total shares and dilutive securities	30,638	30,310	30,031

Non-Cash Investing and Financing Activities

Non-cash investing and financing activities. Non-cash investing and financing activities are excluded from the consolidated statements of cash flows and are as follows (in thousands):

	Twelve Months Ended December 31,
	2020		2019		2018
Assets acquired under finance lease	$	60	$	326	$	5,302