Stockholders' Equity And Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

Summary Of Stock Option Activity

				Weighted
		Weighted		Average
		Average		Remaining
	Number of	Exercise		Contractual
	Shares	Price		Life (in Years)
Stock options outstanding at December 31, 2015	875,221	$	3.51	7.8
Issued	405,132		4.44
Exercised	—		—
Expired/terminated	(50,998)		3.57
Stock options outstanding at December 31, 2016	1,229,355	$	3.82
Vested and expected to vest at December 31, 2016	1,229,355	$	3.82	7.6
Stock options exercisable at December 31, 2016	354,855	$	3.34	6.0

Summary Of Exercise Price Outstanding And Exercisable

Options Outstanding				Options Exercisable
		Weighted average
	Number	remaining contractual	Weighted average	Number	Weighted average
Exercise Price	outstanding	life (in years)	exercise price	vested	exercise price
$2.67	302,620	3.3	$             2.67	176,528	$             2.67
$4.00 - $4.28	692,335	8.9	4.02	178,327	4.00
$4.67 - $4.68	234,400	9.6	4.68	—	-
	1,229,355	7.6	$             3.82	354,855	$             3.34

Schedule Of Fair Value Of Employee Stock Options

					May 19, 2014
					(inception)
	Years Ended				through
	December 31,				December 31,
	2016		2015		2014
Expected term in years		6.08		3.5 - 6.25		—
Expected volatility		80%		89% - 90%		—
Risk-free interest rate		1.16%-1.45%		0.88% - 1.89%		—
Dividend yield		—		—		—

Total Stock-Based Compensation Expense

					May 19, 2014
					(inception)
	Years Ended				through
	December 31,				December 31,
	2016		2015		2014
General and administrative	$	674	$	397	$	—
Research and development		196		5		—
Total stock-based compensation expense	$	870	$	402	$	—

Common Stock Warrants [Member]

Summary Of Stock Option Activity

				Weighted
				Average
		Weighted		Remaining
	Number of	Average		Contractual
	Shares	Exercise Price		Life (in Years)
Warrants outstanding at December 31, 2015	299,625	$	2.67	5.85
Issued	574,985		5.00
Exercised	—		—
Expired/terminated	—		—
Warrants outstanding and exercisable at December 31, 2016	874,610	$	4.20	4.53