v3.8.0.1

COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Long-term Purchase Commitment [Line Items]
Minimum annual royalty payment	$ 500
Minimum
Long-term Purchase Commitment [Line Items]
Royalty agreement percentage	0.50%
Maximum
Long-term Purchase Commitment [Line Items]
Royalty agreement percentage	7.00%

X

- Definition

Research and Development Arrangement, Contract to Perform for Others, Minimum Annual Royalty Payment

+ References

No definition available.

+ Details

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Period Type:	duration

X

- Definition

Research and Development Arrangement, Contract to Perform for Others, Royalty Agreement, Percent

+ References

No definition available.

+ Details

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Namespace Prefix:	kids_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- 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.

+ Details

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Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type: