Condensed Consolidated Unaudited Interim Statements of Changes in Equity € in Thousands, $ in Thousands	Share capital [Member] EUR (€)	Share capital [Member] USD [Member] USD ($)	[1]	Share Premium [Member] EUR (€)	Share Premium [Member] USD [Member] USD ($)	[1]	Retained earnings (accumulated deficit) [Member] EUR (€)	Retained earnings (accumulated deficit) [Member] USD [Member] USD ($)	[1]	Treasury shares [Member] EUR (€)	Treasury shares [Member] USD [Member] USD ($)	[1]	Translation reserve from foreign operations [Member] EUR (€)	Translation reserve from foreign operations [Member] USD [Member] USD ($)	[1]	Hedging Reserve [Member] EUR (€)	Hedging Reserve [Member] USD [Member] USD ($)	[1]	Transaction reserve with non-controlling Interests EUR (€)	Transaction reserve with non-controlling Interests USD [Member] USD ($)	[1]	Total [Member] EUR (€)	Total [Member] USD [Member] USD ($)	[1]	Non-controlling Interests [Member] EUR (€)	Non-controlling Interests [Member] USD [Member] USD ($)	[1]	EUR (€)	USD [Member] USD ($)	[1]
Balance at Dec. 31, 2018	€ 19,980			€ 58,344			€ 758			€ (1,736)			€ 1,396			€ (227)						€ 78,515			€ (1,558)			€ 76,957
Profit (loss) for the period							(2,751)															(2,751)			(1,647)			(4,398)
Other comprehensive loss for the period													1,459			(1,472)						(13)			(477)			(490)
Total comprehensive loss for the period							(2,751)						1,459			(1,472)						(2,764)			(2,124)			(4,888)
Transactions with owners of the Company, recognized directly in equity:
Sale of shares in subsidiaries to non-controlling interests																			5,614			5,614			4,899			10,513
Options exercise	8			11																		19						19
Share-based payments				3																		3						3
Balance at Jun. 30, 2019	19,988			58,358			(1,993)			(1,736)			2,855			(1,699)			5,614			81,387			1,217			82,604
Balance at Dec. 31, 2018	19,980			58,344			758			(1,736)			1,396			(227)						78,515			(1,558)			76,957
Profit (loss) for the period							12,060															12,060			(2,276)			9,784
Other comprehensive loss for the period													2,960			(846)						2,114			(857)			1,257
Total comprehensive loss for the period							12,060						2,960			(846)						14,174			(3,133)			11,041
Transactions with owners of the Company, recognized directly in equity:
Sale of shares in subsidiaries to non-controlling interests																			5,439			5,439			5,374			10,813
Purchase of shares in subsidiaries from non-controlling interests																			667			667			254			921
Issuance of ordinary shares	2,010			5,797																		7,807						7,807
Options exercise	8			11																		19						19
Share-based payments				8																		8						8
Balance at Dec. 31, 2019	21,998	$ 24,643		64,160	$ 71,876		12,818	$ 14,360		(1,736)	$ (1,945)		4,356	$ 4,880		(1,073)	$ (1,202)		6,106	$ 6,840		106,629	$ 119,452		937	$ 1,049		107,566	$ 120,501
Profit (loss) for the period							(3,472)	(3,890)														(3,472)	(3,890)		(797)	(892)		(4,269)	(4,782)
Other comprehensive loss for the period													(98)	(110)		(4,639)	(5,197)					(4,737)	(5,307)		(4,448)	(4,983)		(9,185)	(10,290)
Total comprehensive loss for the period							(3,472)	(3,890)					(98)	(110)		(4,639)	(5,197)					(8,209)	(9,197)		(5,245)	(5,875)		(13,454)	(15,072)
Transactions with owners of the Company, recognized directly in equity:
Issuance of ordinary shares	1,935	2,168		11,253	12,606																	13,188	14,774					13,188	14,774
Options exercise
Share-based payments				20	22																	20	22					20	22
Balance at Jun. 30, 2020	€ 23,933	$ 26,811		€ 75,433	$ 84,504		€ 9,346	$ 10,470		€ (1,736)	$ (1,945)		€ 4,258	$ 4,770		€ (5,712)	$ (6,399)		€ 6,106	$ 6,840		€ 111,628	$ 125,051		€ (4,308)	$ (4,826)		€ 107,320	$ 120,225

[1] Convenience translation into US$ (exchange rate as at June 30, 2020: EUR 1 = US$ 1.120)