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SIGNIFICANT ACCOUNTING POLICIES (Tables)
9 Months Ended
Sep. 30, 2019
Accounting Policies [Abstract]  
Property and equipment, depreciable lives Sample inventory is carried at cost less accumulated depreciation.
Depreciable lives are generally as follows:
Building and building improvements
25 to 30 years
Furniture and fixtures
5 to 7 years
Computer equipment
3 to 5 years
Business software
3 years
Office and other equipment
5 to 7 years
Instruments
5 years
Sample inventory
2 years