A. SUMMARY OF ACCOUNTING POLICIES (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2017 | ||||||||||||||||||||||||||||||||||||||||||||||
| Accounting Policies [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of allowance for doubtful accounts |
The allowance for doubtful accounts for the years ended December 31 are as follows:
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| Schedule of product warranties |
Product warranties for the years ended December 31 is as follows:
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| X | ||||||||||
- Definition Description of schedule of allowance for doubtful accounts. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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