Shareholders' Equity - Shares Issued From Treasury (Details) - USD ($)	3 Months Ended			56 Months Ended	65 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2015
Shares issued from treasury
Shares Issued Under ESPP Plan	1,170	779	541	154,269	156,759
Closing Market Price	$ 2.17	$ 1.80	$ 2.51
Shares Issued Under Loan Program	0	0	0	128,143
Shares Issued Under Loan Program, Total					128,143
Dollar Value of Loans Issued	$ 0	$ 0	$ 0	$ 361,550
Dollar Value of Loans Issued, Total					$ 361,550
Repayment of Loans	$ 0	$ 0	$ 0	$ 357,550
Repayment of Loans, Total					$ 357,550
Minimum
Shares issued from treasury
Closing Market Price				$ 1.66	$ 1.66
Maximum
Shares issued from treasury
Closing Market Price				$ 7.25	$ 7.25