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Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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The price per share of the conversion feature embedded in the debt instrument.

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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of expense (income) related to adjustment to fair value of warrant liability.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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The cash inflow from a borrowing supported by a written promise to pay an obligation.

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The cash inflow from a borrowing not otherwise defined in the taxonomy having initial term of repayment within one year or the normal operating cycle, if longer.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Debt (Details Textual)		1 Months Ended			2 Months Ended	3 Months Ended			6 Months Ended	12 Months Ended
Debt (Details Textual)	May. 08, 2015 USD ($) shares	Jul. 31, 2015 USD ($)	May. 31, 2015 USD ($) shares	Jun. 30, 2013 USD ($)	Mar. 31, 2015 USD ($) $ / shares	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($) $ / shares	Sep. 30, 2014 USD ($)	Mar. 31, 2015 USD ($) $ / shares	Dec. 31, 2015 USD ($) shares	Dec. 31, 2014 USD ($)	Jul. 14, 2015 USD ($)	Dec. 31, 2009 USD ($)
Debt Instrument [Line Items]
Proceeds from Notes Payable										$ 1,741,667	$ 1,488,229
Proceeds from Convertible Debt										1,388,815	1,472,386
Interest Expense, Debt			$ 1,500,000							1,800,000	100,000
Amortization of Financing Costs										71,421
Repayments of Debt										155,000	5,000
Merck GHI Financing Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		8.00%										8.00%
Proceeds from Other Short-term Debt		$ 1,000,000
Debt Instrument, Face Amount												$ 1,000,000
Repayments of Debt						$ 150,000
Department of Business and Economic Development Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 100,000
Repayments of Debt				75,000
Interest Payable				$ 11,811
Loan From Department Of Business And Economic Development, Maryland [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage													3.00%
Debt Instrument, Face Amount													$ 100,000
Loan From Department Of Business And Economic Development, Montgomery County [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount													$ 10,000
IPO [Member]
Debt Instrument [Line Items]
Debt Conversion, Converted Instrument, Amount										$ 2,100,000	0
Debt Conversion, Converted Instrument, Shares Issued \| shares	350,000									1,875,000
Interest Expense, Debt											$ 1,500,000
Common Stock Percent										110.00%
IPO [Member] \| Common Stock [Member]
Debt Instrument [Line Items]
Debt Conversion, Converted Instrument, Shares Issued \| shares			350,000
2014 Convertible Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage								8.00%
Proceeds from Convertible Debt								$ 1,500,000
2015 Convertible Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					8.00%	0.00%	8.00%		8.00%
Proceeds from Other Short-term Debt					$ 1,500,000
Fair Value Adjustment of Warrants	$ 700,000
2015 Convertible Notes \| Common Stock [Member]
Debt Instrument [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights \| shares										225,011
Debt Instrument, Convertible, Conversion Price \| $ / shares					$ 1.00		$ 1.00		$ 1.00
2015 Convertible Notes \| Pre IPO
Debt Instrument [Line Items]
Debt Instrument, Convertible, Conversion Ratio					1.25
2015 Convertible Notes \| Post IPO
Debt Instrument [Line Items]
Debt Instrument, Convertible, Conversion Ratio					1.00
Short-term Demand Notes
Debt Instrument [Line Items]
Proceeds from Notes Payable									$ 2,300,000	$ 800,000
Debt Conversion, Converted Instrument, Amount							$ 300,000
Debt Instrument, Interest Rate, Stated Percentage										8.00%