Segment Information (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Revenues	$ 1,686	$ 2,339	$ 4,854	$ 7,286
Net loss	(1,605)	(306)	(4,185)	(1,130)
PolandMember
Segment Reporting Information [Line Items]
Revenues	12	20	25	38
Net loss		0	(97)	(91)
GERMANY
Segment Reporting Information [Line Items]
Revenues	1,556	2,137	4,287	6,513
Net loss	(884)	70	(2,021)	314
UnitedStatesMember
Segment Reporting Information [Line Items]
Revenues	118	182	542	735
Net loss	(830)	(376)	(2,067)	(1,353)
Histology Equip [Member]
Segment Reporting Information [Line Items]
Revenues	811	1,405	1,691	4,192
Histology Equip [Member] | PolandMember
Segment Reporting Information [Line Items]
Revenues	12	0	5	8
Histology Equip [Member] | GERMANY
Segment Reporting Information [Line Items]
Revenues	763	1,337	1,743	3,901
Histology Equip [Member] | UnitedStatesMember
Segment Reporting Information [Line Items]
Revenues	36	68	220	283
Histology Consumables [Member]
Segment Reporting Information [Line Items]
Revenues	577	659	809	1,201
Histology Consumables [Member] | PolandMember
Segment Reporting Information [Line Items]
Revenues	0	0	0	27
Histology Consumables [Member] | GERMANY
Segment Reporting Information [Line Items]
Revenues	298	613	1,735	1,770
Histology Consumables [Member] | UnitedStatesMember
Segment Reporting Information [Line Items]
Revenues	0	26	322	96
Cytology Consumables [Member]
Segment Reporting Information [Line Items]
Revenues	298	275	2,354	1,893
Cytology Consumables [Member] | PolandMember
Segment Reporting Information [Line Items]
Revenues	0	20	0	3
Net loss	109
Cytology Consumables [Member] | GERMANY
Segment Reporting Information [Line Items]
Revenues	495	187	809	842
Cytology Consumables [Member] | UnitedStatesMember
Segment Reporting Information [Line Items]
Revenues	$ 82	$ 88	$ 0	$ 356