1. THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)	3 Months Ended
Jun. 30, 2018
Concentration of credit risk
Revenue, Practical Expedient, Remaining Performance Obligation	true
Revenue, Practical Expedient, Incremental Cost of Obtaining Contract	true
Warranty period	3 years
Minimum
Concentration of credit risk
Payment term	30 days
Maximum
Concentration of credit risk
Payment term	60 days
Net revenue \| Distributors
Concentration of credit risk
Percentage attributable to customers	54.00%
Net revenue \| Contract Manufacturers
Concentration of credit risk
Percentage attributable to customers	44.00%
Net revenue \| Nokia
Concentration of credit risk
Percentage attributable to customers	47.00%
Net revenue \| SRAM
Concentration of credit risk
Percentage attributable to customers	97.00%

The duration of a contract with a customer.

No definition available.

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- Definition

Represents the period for which the entity warranties its products.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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- Definition

Indicates (true/false) whether practical expedient is elected to recognize incremental cost of obtaining contract as expense when incurred if amortization period would have been one year or less.

+ References

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- Definition

Indicates (true/false) whether practical expedient is elected not to disclose amount of transaction price allocated to remaining performance obligation and explanation of expected timing of revenue recognition, when contract has expected duration of one year or less or right to consideration corresponds directly to performance completed.

+ References

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