Organization and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2013

Organization and Summary of Significant Accounting Policies [Abstract]

Summary of equipment held for sale measured at fair value on nonrecurring basis

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance at June 30, 2013		Gains (Losses)
Equipment held for sale	$	-	$	-	$	7,265,684	$	7,265,684	$	-

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance at December 31, 2012		Loss
Equipment held for sale	$	-	$	-	$	7,118,555	$	7,118,555	$	2,206,253

Cash balances by geographic area

	June 30, 2013				December 31, 2012
Country:
United States	$	929,743	28.6	%	$	31,054	2.1	%
China		2,325,238	71.4	%		1,414,674	97.9	%
Total cash and cash equivalents	$	3,254,981	100.0	%	$	1,445,728	100.0	%

Summary of reconciliation of basic and diluted net income per share

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Net income available to common stockholders for basic and diluted net income per share of common stock	$	2,322,553	$	1,071,370	$	3,945,153	$	1,374,165
Weighted average common stock outstanding - basic		2,955,786		2,572,753		2,925,355		2,370,138
Effect of dilutive securities:
Series A convertible preferred stock		-		58,974		-		207,431
Warrants		-		29,256		-		15,295
Weighted average common stock outstanding - diluted		2,955,786		2,660,983		2,925,355		2,592,864
Net income per common share - basic	$	0.79	$	0.42	$	1.35	$	0.58
Net income per common share - diluted	$	0.79	$	0.40	$	1.35	$	0.53