Segment information (Tables)

3 Months Ended

9 Months Ended

Sep. 30, 2014

Sep. 30, 2013

Sep. 30, 2014

Sep. 30, 2013

Schedule of Segment Reporting Information, by Segment [Table Text Block]

For the three month ended September 30, 2014		Manufacturing			Servicing		Total
Sales to external customers	$	1,044,226		$	374,978	$	1,419,204
Depreciation and amortization		15,913			5,223		21,136
Segment income (loss) before other items		(324,480	)		80,248		(244,232	)
Total assets	$	2,106,063		$	10,447	$	2,116,510

For the three months ended September 30, 2013		Manufacturing			Servicing		Total
Sales to external customers	$	846,395		$	229,420	$	1,075,815
Depreciation and amortization		710			5,223		5,933
Segment income (loss) before other items		(381,189	)		64,371		(316,818	)
Total assets	$	1,033,616		$	52,231	$	1,085,847

For the nine month ended September 30, 2014		Manufacturing			Servicing		Total
Sales to external customers	$	2,842,222		$	870,018	$	3,712,240
Depreciation and amortization		20,668			15,669		36,337
Segment income (loss) before other items		(3,278,132	)		210,160		(3,488,292	)
Total assets	$	2,106,063		$	10,447	$	2,116,510

For the nine months ended September 30, 2013		Manufacturing			Servicing		Total
Sales to external customers	$	2,084,430		$	860,793	$	2,945,223
Depreciation and amortization		2,265			15,669		17,934
Segment income (loss) before other items		(1,142,204	)		275,619		(866,585	)
Total assets	$	1,256,121		$	31,339	$	1,287,460