Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)			1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	May. 11, 2015 USD ($) $ / shares shares	Apr. 27, 2015	May. 31, 2015 USD ($)	Jun. 30, 2015 USD ($) Customer shares	Jun. 30, 2014 USD ($) Customer	Jun. 30, 2015 USD ($) Customer shares	Jun. 30, 2014 USD ($) Customer	Dec. 31, 2014 USD ($) Customer shares
Significant Accounting Policies [Line Items]
Reverse stock split of common stock		0.0093
Common stock, at the initial public offering price per shares | $ / shares	$ 14.00
Gross proceeds from initial public offering						$ 47,654,190
Preferred stock, shares outstanding | shares				0		0		0
Maturity period of investments						less than one year
Allowance for Doubtful Accounts Receivable				$ 118,922		$ 118,922		$ 85,068
Bad debt expense, net of recoveries				50,000	$ 102,467	33,854	$ 102,467
Change in inventory valuation reserves				188,956	(536,119)	210,880	(536,119)
Reclassified equipment with a net book value								210,606
Depreciation and leasehold improvement amortization expense				147,916	117,285	299,409	225,115
Amortization expense for capitalized software costs				0	3,896	0	15,583
Accretion of preferred stock issuance costs				10,969	186,206	35,046	208,687
Deferred financing costs				64,105		64,105		75,131
Deferred financing cost amortization expense				14,322	0	32,938	0
Debt instrument, amortization expense				51,180	47,184	177,751	94,684
Amortization of discount on convertible notes				63,490		90,222
Loss on settlement of convertible notes				705,217		705,217
Accretion of discount on NuvoGen obligation						177,751	94,684
Write off of deferred financing costs						53,611
Write off unamortized debt discount						651,606
Deferred offering costs, noncurrent				0		0		$ 1,300,000
Licenses revenue fees				$ 0	$ 0	$ 0	$ 0
Sales Revenue, Net | Customer Concentration Risk
Significant Accounting Policies [Line Items]
Number of customers | Customer				3	3	2	3
Sales Revenue, Net | Customer Concentration Risk | Customer One
Significant Accounting Policies [Line Items]
Sales revenue percentage				44.00%	12.00%	31.00%	15.00%
Sales Revenue, Net | Customer Concentration Risk | Customer Two
Significant Accounting Policies [Line Items]
Sales revenue percentage				7.00%	6.00%	15.00%	9.00%
Sales Revenue, Net | Customer Concentration Risk | Customer Three
Significant Accounting Policies [Line Items]
Sales revenue percentage				6.00%	6.00%		7.00%
Accounts Receivable | Customer Concentration Risk
Significant Accounting Policies [Line Items]
Number of customers | Customer						2		1
Accounts Receivable | Customer Concentration Risk | Customer One
Significant Accounting Policies [Line Items]
Sales revenue percentage						57.00%		31.00%
Accounts Receivable | Customer Concentration Risk | Customer Two
Significant Accounting Policies [Line Items]
Sales revenue percentage						9.00%
Revenue from grants and contracts | Customer Concentration Risk
Significant Accounting Policies [Line Items]
Sales revenue percentage				12.00%	56.00%	18.00%	37.00%
Growth Term Loan A
Significant Accounting Policies [Line Items]
Debt instrument, amortization expense				$ 52,512	$ 0	$ 89,032	$ 0
Accretion of discount on NuvoGen obligation				0		0
Convertible Notes
Significant Accounting Policies [Line Items]
Accretion of discount on NuvoGen obligation				$ 0		$ 0
Software and Software Development Costs
Significant Accounting Policies [Line Items]
Long-term asset, estimated life						3 years
Minimum
Significant Accounting Policies [Line Items]
Long-term asset, estimated life						3 years
Maximum
Significant Accounting Policies [Line Items]
Long-term asset, estimated life						5 years
IPO
Significant Accounting Policies [Line Items]
Issuance of common stock from initial public offering, shares | shares	3,570,000
Common stock, at the initial public offering price per shares | $ / shares	$ 14.00
Gross proceeds from initial public offering	$ 50,000,000
Net proceeds from initial public offering after underwriters' fees, commissions and offering costs	$ 45,400,000
Preferred stock, shares outstanding | shares				0		0
Reclassification of additional paid in capital with direct offering costs			$ 2,300,000
Over-Allotment Option
Significant Accounting Policies [Line Items]
Issuance of common stock from initial public offering, shares | shares	90,076
Proceeds from issuance of common stock	$ 1,300,000