Fair value of financial instruments (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

Financial assets and liabilities measured at fair value on a recurring basis are summarized below and disclosed on the consolidated balance sheets as of June 30, 2013:

Fair value measurement using

Carrying
value

Level 1

Level 2

Level 3

Total

Derivative warrant - liability

Financial assets and liabilities measured at fair value on a recurring basis are summarized below and disclosed on the consolidated balance sheets as of December 31, 2012:

	Fair value measurement using
	Carrying value		Level 1		Level 2		Level 3		Total
Derivative warrant - liability	$	7,166	$	-	$	-	$	7,166	$	7,166

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The table below provides a summary of the changes in fair value, including net transfers in and/or out, of all financial assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the six months ended June 30, 2013:

	Fair Value Measurement Using Level 3 Inputs
	Derivatives		Total
Balance, December 31, 2012	$	7,166	$	7,166
Total (gains) or losses (realized/unrealized) included in consolidated statements of operations		2,204		2,204
Purchases, issuances and settlements		-		-
Reclassification of derivative liabilities to equity upon modification of terms (Refer to Note 7 and Note 9)		(9,370)		(9,370)
Balance, June 30, 2013	$	-	$	-

- Definition

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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- Definition

Tabular disclosure of liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset.

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