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Debt (Details)					1 Months Ended			3 Months Ended		4 Months Ended	12 Months Ended
	Aug. 10, 2016 shares	Jul. 31, 2015 USD ($)	Mar. 31, 2015	Nov. 01, 2014 USD ($) shares	Apr. 30, 2016 USD ($)	Feb. 29, 2016 USD ($)	Dec. 31, 2015 USD ($) $ / shares	Sep. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Feb. 18, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($) $ / shares	Dec. 31, 2014 USD ($)	Oct. 31, 2014 USD ($)
Debt
Proceeds from issuance of convertible notes											$ 2,651,000	$ 5,560,000	$ 390,000
Premium conversion derivative							$ 345,000					345,000
Conversion of convertible notes to common stock, shares | shares				1,431,228
Promissory Notes
Debt
Convertible debt, interest rate														8.00%
Financing total														$ 300,000
Promissory notes converted				$ 400,000
Convertible Notes
Debt
Convertible debt, interest rate				8.00%
Financing total											0
Proceeds from issuance of convertible notes									$ 2,000,000	$ 2,700,000
Conversion price percentage of principal and unpaid accrued interest			125.00%
Convertible Notes | Interest income (expense)
Debt
Change in fair value of embedded derivative												(400,000)	18,000
Interim Notes
Debt
Convertible debt, interest rate		8.00%
Financing total					$ 10,600,000	$ 5,600,000	5,500,000				0	$ 5,500,000
Proceeds from issuance of convertible notes		$ 2,800,000			$ 5,000,000	$ 200,000	$ 2,700,000	$ 2,800,000
Shares converted | shares	1,656,807
Qualified Financing threshold for debt conversion		$ 5,000,000
Conversion ratio		1.15			1.25
Debt redemption price		200.00%
Conversion price | $ / shares							$ 6.70585					$ 6.70585
Debt issuance expenses					$ 10,000
Premium conversion derivative							$ 300,000				0	$ 300,000
Conversion of convertible notes to common stock, shares | shares	1,656,807
Interim Notes | Interest income (expense)
Debt
Change in fair value of embedded derivative											$ 200,000	$ (100,000)	$ 0

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- Definition

The minimum gross proceeds received in an equity offering which would trigger the automatic conversion of the debt instrument into equity.

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The amount by which the convertible debt's conversion value exceeds the amount of principal and unpaid accrued interest.

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Represents the redemption price as a percentage of the principal amount at which the debt instrument may be required to be redeemed in the event of a change of control.

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The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "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 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 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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Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

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Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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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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Number of shares issued during the period as a result of the conversion of convertible securities.

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