Senior Convertible Bonds (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Senior Convertible Bonds [Abstract]
10% Senior Convertible Bonds, on the day of issuance	$ 3,470	$ 3,470
Unamortized Debt discount, net	(8,060)	(993)
Bonds converted to shares	(216)	(203)
Offering cost, net	(50)	(63)
10% senior Convertible bonds - Long Term Liability	$ 2,398	$ 2,211

Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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Amount, after accumulated amortization, of debt discount (premium).

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Sum of the carrying amounts as of the balance sheet date of deferred costs capitalized at the end of the reporting period that are expected to be charged against earnings within one year or the normal operating cycle, if longer.

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Bonds converted to shares.

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Carrying value as of the balance sheet date of the portion of senior convertible bonds.

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