|
Property and Equipment (Narrative) (Details) (USD $)
|
Mar. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|---|
| Property And Equipment Details Narrative | |||
| Accumulated depreciation and amortization | $ (541,216) | $ (455,871) | $ (229,972) |