2. PROPERTY AND EQUIPMENT

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

PROPERTY AND EQUIPMENT

2. PROPERTY AND EQUIPMENT

Property and equipment, all of which is located in Kiel, Germany, consist of the following:

	December 31,
	2018			2017
Technical and laboratory equipment	$	210,669		$	220,511
Leasehold improvements		4,255			4,454
Office equipment		12,307			12,883
		227,231			237,848
Less accumulated depreciation		(222,302	)		(230,795	)
Total	$	4,929		$	7,053

Depreciation expense is included in general and administrative expense in the consolidated statements of operations and comprehensive income (loss) approximated $2,000 and $2,000 for the years ended December 31, 2018 and 2017, respectively.