2. PROPERTY AND EQUIPMENT

12 Months Ended

Dec. 31, 2019

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,
	2019			2018
Technical and laboratory equipment	$	206,448		$	210,669
Leasehold improvements		4,170			4,255
Office equipment		11,222			12,307
		221,840			227,231
Less accumulated depreciation		(218,357	)		(222,302	)
Total	$	3,483		$	4,929

Depreciation expense is included in general and administrative expense in the consolidated statements of operations and comprehensive income (loss) approximated $1,300 and $1,900 for the years ended December 31, 2019 and 2018, respectively.