Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative) (Details)

Stock-Based Compensation (Narrative) (Details) - USD ($)		3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 26, 2015	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate fair value of stock options		$ 1,060,800		$ 1,060,800
Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted				210,000
Chief Financial Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted				30,000
Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period over which compensation expense will be recognized				3 years 7 months 6 days		4 years 3 months 19 days
Warrants outstanding		170,314		170,314
Exercise price of warrants		$ 32.44		$ 32.44
Outstanding intrinsic value		$ 0		$ 0
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted				15,544
Exercise price of restricted stock granted				$ 7.72
Restricted stock expense		58,000	$ 28,000	$ 113,000	$ 83,000
Aggregate fair value of restricted stock		120,000		120,000
Unrecognized compensation expense		108,000		$ 108,000
Period over which compensation expense will be recognized				7 months 6 days
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted				240,000
Compensation expense		88,000		$ 560,000
Unrecognized compensation expense		501,000		$ 501,000
Period over which compensation expense will be recognized				1 year 4 months 24 days
Aggregate fair value of stock options
Non-cash compensation expense		$ 88,000	$ 90,000	$ 618,000	$ 135,000
Exercise price of options granted				$ 10.72
Option term				10 years
Option vesting period				2 years
Equity Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance under equity incentive plan		615,000		615,000
Increased number of shares authorized for issuance under equity incentive plan	390,000