Basis of Presentation - Product Revenue from Sale of Instruments and Consumables (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Revenue Reconciling Item [Line Items]
Total product revenue	$ 541,144	$ 600,190
Instruments
Segment Reporting Revenue Reconciling Item [Line Items]
Total product revenue	22,579	79,181
Consumables
Segment Reporting Revenue Reconciling Item [Line Items]
Total product revenue	$ 518,565	$ 521,009