Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

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-Name Accounting Standards Codification

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-Section S99

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-Name Regulation S-X (SX)

-Number 210

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

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-Section S99

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PROPERTY AND EQUIPMENT, NET (Details) (USD $)	12 Months Ended
PROPERTY AND EQUIPMENT, NET (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Total	$ 23,584,607us-gaap_PropertyPlantAndEquipmentGross	$ 21,448,458us-gaap_PropertyPlantAndEquipmentGross
Less: Accumulated depreciation	(17,925,416)	(15,605,936)
Property, Plant and Equipment, Net	5,659,191us-gaap_PropertyPlantAndEquipmentNet	5,842,522us-gaap_PropertyPlantAndEquipmentNet
Depreciation	2,319,480us-gaap_Depreciation	2,202,865us-gaap_Depreciation	2,175,564us-gaap_Depreciation
Computer and Transmission Equipment [Member]
Property, Plant and Equipment [Line Items]
Total	17,305,410	15,312,698
Furniture and Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Total	1,288,057	1,162,452
Motor Vehicles [Member]
Property, Plant and Equipment [Line Items]
Total	860,109	807,082
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total	2,885,943	2,917,621
Communication Equipment [Member]
Property, Plant and Equipment [Line Items]
Total	541,704	543,308
Office Building [Member]
Property, Plant and Equipment [Line Items]
Total	$ 703,384	$ 705,297