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Stockholders' Equity (Detail Textuals) - USD ($)	1 Months Ended	9 Months Ended
	Jul. 21, 2017	Sep. 30, 2017	Sep. 30, 2016	Oct. 23, 2017	Oct. 17, 2017	Jul. 31, 2017	Dec. 31, 2016
Subsequent Event [Line Items]
Preferred stock, par value (in dollars per share)		$ 0.001					$ 0.001
Proceeds from issuance of common stock		$ 14,751,000	$ 5,241,000
Series A Preferred Stock
Subsequent Event [Line Items]
Number of shares issued upon conversion		332,000				8,208
Price per share used to determine number of shares of common stock		$ 1,000
Ladenburg Thalmann & Co. Inc.
Subsequent Event [Line Items]
Proceeds from issuance of common stock	$ 13,700,000
Underwriting Agreement | Ladenburg Thalmann & Co. Inc. | Series A Preferred Stock
Subsequent Event [Line Items]
Share price per unit (in dollars per share)	$ 2
Number of units authorized for issuance and sale	3,154,000
Aggregate intrinsic value of stock	$ 3,638,000
Underwriting Agreement | Ladenburg Thalmann & Co. Inc. | Class A Units | Common Stock
Subsequent Event [Line Items]
Number of securities called by each unit	1
Number of securities called by each warrant	1
Underwriting Agreement | Ladenburg Thalmann & Co. Inc. | Class B Units
Subsequent Event [Line Items]
Share price per unit (in dollars per share)	$ 1,000
Number of units authorized for issuance and sale	8,872
Preferred stock, par value (in dollars per share)	$ 0.001
Subsequent event | Warrants
Subsequent Event [Line Items]
Number of securities called by each warrant				7,500
Subsequent event | Series A Preferred Stock
Subsequent Event [Line Items]
Number of shares issued upon conversion					200,000

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