Fair Value of Assets and Liabilities (Details 2) (USD $)	6 Months Ended
	Jun. 30, 2013
Balance at December 31, 2012	$ 728,312
Purchases or receipt	84,742	[1]
Sales or exercises	(217,677)
Transfers out of	0
Gains (losses):
Realized	0
Unrealized	83,670
Balance at June 30, 2013	679,047
Change in unrealized gains (losses) relating to instruments still held at June 30, 2013	(155,986)
Corporate Equity [Member]
Balance at December 31, 2012	241,767
Purchases or receipt	0	[1]
Sales or exercises	0
Transfers out of	0
Gains (losses):
Realized	0
Unrealized	42,785
Balance at June 30, 2013	284,552
Change in unrealized gains (losses) relating to instruments still held at June 30, 2013	(16,314)
Underwriters Purchase Option [Member]
Balance at December 31, 2012	17,634
Purchases or receipt	0	[1]
Sales or exercises	0
Transfers out of	0
Gains (losses):
Realized	0
Unrealized	10,556
Balance at June 30, 2013	28,190
Change in unrealized gains (losses) relating to instruments still held at June 30, 2013	10,556
Warrant [Member]
Balance at December 31, 2012	468,848
Purchases or receipt	84,742	[1]
Sales or exercises	(217,677)
Transfers out of	0
Gains (losses):
Realized	0
Unrealized	30,236
Balance at June 30, 2013	366,149
Change in unrealized gains (losses) relating to instruments still held at June 30, 2013	(150,321)
Preferred Stock [Member]
Balance at December 31, 2012	63
Purchases or receipt	0	[1]
Sales or exercises	0
Transfers out of	0
Gains (losses):
Realized	0
Unrealized	93
Balance at June 30, 2013	156
Change in unrealized gains (losses) relating to instruments still held at June 30, 2013	$ 93

[1] Includes purchases of securities and securities received for services