Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($)	6 Months Ended
Jun. 30, 2016	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred financing costs	$ 291,060	$ 349,018
Deferred financing costs related to line-of-credit arrangements	$ 75,068	$ 25,960
Stock Options And Stock Appreciation Rights [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, requisite service period	4 years
Options and stock appreciation rights outstanding	686,383	706,494
Weighted average exercise price	$ 8.66	$ 9.34
Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issuable upon exercise of outstanding warrants	2,040,365
Exercise price of warrants	$ 3.44
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested restricted shares	1,212,496	752,008

Exercise price per share or per unit of warrants or rights outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
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Amount, after accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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