Stock Options and Restricted Stock Units (Details Textual) - USD ($)					1 Months Ended					12 Months Ended
	Jun. 09, 2015	Dec. 10, 2014	Sep. 24, 2014	Oct. 25, 2011	Feb. 18, 2015	Dec. 18, 2014	Jan. 31, 2014	Jun. 27, 2006	Jun. 21, 2004	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross										0	0
Common Stock, Par or Stated Value Per Share										$ 0.01	$ 0.01
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price										$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period										0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance										5,025,000	5,030,000	5,347,500
Allocated Share-based Compensation Expense										$ 36,882	$ 148,500
Share Price										$ 0.33
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total										$ 2,440
2004 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross									1,459,634
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period									845,634
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance									15,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized									1,700,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period									599,000
2006 Equity Inventive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross								150,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period								100,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance								10,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized								750,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period								40,000
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period					15,000					0	229,600
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage							75.00%
Restricted Stock Units (RSUs) [Member] | 2006 Equity Inventive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant										475,400
NTR [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross				5,000,000
Common Stock, Par or Stated Value Per Share				$ 0.01
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price				$ 15
Debt Instrument, Decrease, Forgiveness				$ 2,500,000
Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		75,000
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage		100.00%
Three Independent Directors [Member] | Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	42,600		42,600
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage			100.00%
Officers And Key Employees [Member] | Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period							112,000
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage							25.00%
Common Stock [Member] | Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period						75,000