Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

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 December 31, 2012		Loss
Equipment held for sale	$	-	$	-	$	7,118,555	$	7,118,555	$	2,206,253

Cash balances by geographic area

	December 31, 2012				December 31, 2011
Country:
United States	$	31,054	2.1	%	$	288,090	25.0	%
China		1,414,674	97.9	%		864,517	75.0	%
Total cash and cash equivalents	$	1,445,728	100.0	%	$	1,152,607	100.0	%

Reconciliation of basic and diluted net income per share

	2012		2011
Net income available to common stockholders for basic and diluted net income per share of common stock	$	4,198,580	$	5,760,543
Weighted average common stock outstanding – basic		2,538,246		1,962,146
Effect of dilutive securities:
Series A convertible preferred stock		103,149		488,599
Warrants		7,648		50,060
Weighted average common stock outstanding– diluted		2,649,043		2,500,805
Net income per common share  - basic	$	1.65	$	2.94
Net income per common share  - diluted	$	1.58	$	2.30

Aggregate common stock equivalents

	December 31, 2012		December 31, 2011
Warrants		-		220,158
Series A convertible preferred stock		-		366,527
Total		-		586,685