Number of shares purchased in an equity method investment.

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Range of term of investment.

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Outstanding balance of loan.

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Face (par) amount of debt instrument at time of issuance.

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The average effective interest rate during the reporting period.

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This item represents the aggregate value of each identified investment accounted for under the equity method of accounting based on the quoted market price for those investments in common stock for which a quoted market price is available.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Amount of investments classified as other.

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INVESTMENTS (Details) ₩ in Thousands, $ in Thousands	1 Months Ended	6 Months Ended		12 Months Ended
INVESTMENTS (Details) ₩ in Thousands, $ in Thousands	Oct. 31, 2017 USD ($)	Jun. 30, 2019 USD ($) shares	Jun. 30, 2019 KRW (₩) shares	Dec. 31, 2018 USD ($)	Dec. 31, 2018 KRW (₩)	Jun. 30, 2019 KRW (₩)	Dec. 31, 2018 KRW (₩)	Jun. 30, 2018 KRW (₩)	Apr. 30, 2018	Mar. 31, 2017 USD ($)
Investments		$ 289		$ 255
Freezone I-SEC Korea Inc. [Member]
Investments		289		255
Profit from investment		45		0
Loan from partners		174		180
Outstanding balance of loan		$ 87		180
Interest rate		1.30%	1.30%
Freezone I-SEC Korea Inc. [Member] \| Korea (South), Won
Investments \| ₩						₩ 334,000	₩ 284,000
Profit from investment \| ₩			₩ 50,073		₩ 0
Loan from partners \| ₩								₩ 200,000
Outstanding balance of loan \| ₩						₩ 100,000	₩ 200,000
Artemis Therapeutics, Inc. [Member]
Ownership interest		3.80%				3.80%
Carrying value		$ 0		0
Market value		$ 35		119
White Line B.V [Member]
Ownership interest	10.00%
Investments	$ 3,500			$ 3,500						$ 2,000
Additional invested amount	$ 1,500
Entity Owned [Member] \| Freezone I-SEC Korea Inc. [Member]
Ownership interest									50.00%
Artemis Therapeutics, Inc. [Member]
Common stock purchased \| shares		198,311	198,311
Minimum [Member] \| White Line B.V [Member]
Maturity term of guaranty	3 years
Minimum [Member] \| Entity Owned [Member]
Ownership interest		20.00%				20.00%
Maximum [Member] \| White Line B.V [Member]
Maturity term of guaranty	5 years
Maximum [Member] \| Entity Owned [Member]
Ownership interest		50.00%				50.00%