CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenue, net	$ 99	$ 654	$ 231	$ 3,392
Cost of revenues	(392)	(83)	(704)	(560)
Gross loss	(293)	571	(473)	2,832
Income from grants	1	424	43	1,262
Research and development expenses	(342)	(695)	(698)	(2,110)
Administrative and selling expenses	(1,956)	2,374	(4,206)	(3,819)
Sublease income				145
Amortization of intangibles	(7)	(1)	(14)	(2)
Credit loss – customer contracts	(328)		(515)
Operating loss	(2,925)	2,673	(5,863)	(1,692)
Fair value change of warrant liability				59
Finance income / (expenses), net	(325)	(54)	(569)	(286)
Foreign exchange gains / (losses), net	293	(156)	394	(165)
Loss contingency	(840)	36	(1,034)	(4,871)
Net gains / (losses) on disposal/write-offs of property, plant and equipment and intangible assets		(12,714)		(12,735)
Other income / (expenses), net		2	2	6
Loss before income tax	(3,797)	(10,213)	(7,070)	(19,684)
Income taxes	0	0	(1)	55
Net loss from continuing operations	(3,797)	(10,213)	(7,071)	(19,629)
Income (loss) from discontinued operations		(1,060)		(1,000)
Net loss	$ (3,797)	$ (11,273)	$ (7,071)	$ (20,629)
Net loss per share
Basic loss per share from continuing operations	$ (1.42)	$ (3.88)	$ (2.66)	$ (7.52)
Basic income per share from discontinued operations		(0.40)		(0.38)
Basic loss per share	$ (1.42)	$ (4.28)	$ (2.66)	$ (7.91)
Basic weighted average number of shares	2,665,089	2,634,179	2,653,490	2,609,549
Diluted loss per share from continuing operations	$ (1.42)	$ (3.88)	$ (2.66)	$ (7.52)
Diluted income per share from discontinued operations		(0.40)		(0.38)
Diluted loss per share	$ (1.42)	$ (4.28)	$ (2.66)	$ (7.91)
Diluted weighted average number of shares	2,665,089	2,634,179	2,653,490	2,609,549