Shareholders' Equity (Details)	6 Months Ended		9 Months Ended
	Jun. 30, 2016 USD ($) Plan $ / shares shares	Jun. 30, 2015 USD ($) $ / shares	Dec. 31, 2015 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense | $	$ 225,000	$ 559,000
Restricted shares and warrants, additional disclosures [Abstract]
Warrants issued to purchase common stock (in shares) | shares	376,123
Warrants exercise price (in dollars per share)	$ 9.31
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation expense | $	$ 285,000
Unrecognized compensation expense, weighted average period of recognition	2 years 2 months 12 days
Weighted-average assumptions used to value the options granted [Abstract]
Expected life in years	3 years 9 months 25 days	3 years 10 months 2 days
Risk-free interest rate	0.94%	1.11%
Expected volatility	64.32%	63.94%
Expected dividend yield	0.00%	0.00%
Weighted-average grant date fair value (in dollars per share)	$ 0.47	$ 0.79
Stock options, number of shares [Roll Forward]
Outstanding, beginning of period (in shares) | shares	2,573,640
Options granted (in shares) | shares	392,400
Options exercised (in shares) | shares	0
Options surrendered (in shares) | shares	(795,762)
Outstanding, end of period (in shares) | shares	2,170,278		2,573,640
Exercisable, end of period (in shares) | shares	1,569,490
Stock options, weighted average exercise price [Roll Forward]
Outstanding, beginning of period (in dollars per share)	$ 4.46
Options granted (in dollars per share)	0.98
Options exercised (in dollars per share)	0
Options surrendered (in dollars per share)	3.20
Outstanding, end of period (in dollars per share)	4.30		$ 4.46
Exercisable, end of period (in dollars per share)	$ 5.44
Stock options, additional disclosures [Abstract]
Outstanding, weighted average remaining life in years	4 years 11 months 5 days		5 years 2 months 26 days
Options exercisable, Weighted average remaining life in years	3 years 2 months 16 days
Outstanding, aggregate intrinsic value, end of period | $	$ 0		$ 0
Exercisable, aggregate intrinsic value, end of period | $	0
Fair value of stock options vested | $	$ 252,000	$ 152,000
Stock Options [Member] | Executive Employees and Directors [Member]
Weighted-average assumptions used to value the options granted [Abstract]
Forfeiture rate	15.00%
Stock Options [Member] | Non-Executive Employees [Member]
Weighted-average assumptions used to value the options granted [Abstract]
Forfeiture rate	20.00%
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation expense | $	$ 528,000
Unrecognized compensation expense, weighted average period of recognition	2 years 2 months 23 days
Restricted shares and warrants, number of shares [Roll Forward]
Balance, beginning of period (in shares) | shares	686,910
Shares granted (in shares) | shares	337,858
Shares vested (in shares) | shares	(311,503)
Shares forfeited (in shares) | shares	(295,523)
Balance, end of period (in shares) | shares	417,742		686,910
Restricted shares, weighted average grant date fair value [Roll Forward]
Balance, beginning of period (in dollars per share)	$ 2.41
Shares granted (in dollars per share)	0.98
Shares vested (in dollars per share)	2.11
Shares forfeited (in dollars per share)	2.50
Balance, end of period (in dollars per share)	$ 1.41		$ 2.41
Restricted shares and warrants, additional disclosures [Abstract]
Weighted average remaining life in years	2 years 2 months 23 days		1 year 7 months 2 days
Balance, end of period | $	$ 401,032		$ 886,114
Performance Award [Member]
Restricted shares and warrants, additional disclosures [Abstract]
First stock price target of common stock (in dollars per share)	$ 7.57
Second stock price target of common stock (in dollars per share)	10.32
Third stock price target of common stock (in dollars per share)	$ 13.76
Number of consecutive trading days	45 days
Award requisite service period	2 years 4 months 24 days
Recorded liability | $	$ 28,000
Recorded income | $	$ 49,000
2015 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of active plans for share-based compensation grants | Plan	1
Number of shares reserved for share-based grants (in shares) | shares	2,500,000
Shares remain available for grant (in shares) | shares	980,256
2015 Plan [Member] | Stock Options [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of share-based payment award	7 years
Vesting period	3 years