Condensed Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue
Product sales	$ 319,171	$ 272,538	$ 503,350	$ 572,713
Laboratory services	28,195	121,899	63,436	291,149
Collaborations revenue	27,780	677,780	280,560	1,305,560
Total revenue	375,146	1,072,217	847,346	2,169,422
Operating expenses
Cost of products sold	48,231	65,102	163,620	201,209
Cost of services	54,794	140,302	150,224	238,220
Research and development	999,699	1,247,077	2,108,301	2,199,868
General and administrative	1,420,219	523,120	2,079,611	1,078,073
Sales and marketing	905,767	546,581	1,929,796	1,094,053
Total operating expenses	3,428,710	2,522,182	6,431,552	4,811,423
Operating loss	(3,053,564)	(1,449,965)	(5,584,206)	(2,642,001)
Other income (expense)
Interest income	7,127	46	7,162	83
Interest expense	(1,632,974)	(6,935)	(1,729,371)	(15,137)
Change in fair value of derivative financial instruments	(679,173)	0	(647,342)	0
Total other income (expense)	(2,305,020)	(6,889)	(2,369,551)	(15,054)
Net loss	(5,358,584)	(1,456,854)	(7,953,757)	(2,657,055)
Preferred stock dividends	(72,767)	(172,738)	(244,508)	(283,553)
Net loss available to common stockholders	$ (5,431,351)	$ (1,629,592)	$ (8,198,265)	$ (2,940,608)
Net loss per common share - basic and diluted (in dollars per share)	$ (0.84)	$ (4.49)	$ (2.35)	$ (8.11)
Weighted average shares outstanding - basic and diluted (in shares)	6,449,108	362,537	3,487,734	362,537