Long-term Investments - Additional Information (Details)		1 Months Ended			3 Months Ended	9 Months Ended
		Apr. 24, 2018 USD ($) $ / shares shares	Oct. 31, 2016 CNY (¥)	Oct. 31, 2016 USD ($)	Mar. 31, 2019 shares	Sep. 30, 2019 USD ($) item		Oct. 29, 2019 $ / shares	Oct. 28, 2019 $ / shares	Dec. 31, 2018
Long-term Investments
Initial investment balance						$ 23,000,000
Subsequent Event
Long-term Investments
GTB quoted price | $ / shares								$ 1.84	$ 17
Common Stock
Long-term Investments
Common Stock issuance for acquisition SolidOpinion (Note 5(a)) (in shares) | shares					4,500,000
Seasail Ventures Limited [Member]
Long-term Investments
Percentage of equity ownership		40.00%
BDCG
Long-term Investments
Percentage of equity ownership		20.00%				60.00%				40.00%
Number of unrelated party | item						2
Total cash consideration paid		$ 9,800,000
Cash paid to acquire entity		2,000,000
Value of capital stock issued		$ 7,800,000
Number of common stock issued | shares		3,000,000
Share price of capital stock issued | $ / shares		$ 2.60
Wecast Internet Limited ("Wecast Internet")
Long-term Investments
Percentage of equity ownership			50.00%	50.00%
Initial investment balance			¥ 1,000,000	$ 149,750		$ 0	[1]
Hua Cheng
Long-term Investments
Percentage of equity ownership						39.00%
Initial investment balance	[2]					$ 0
Shandong Media
Long-term Investments
Percentage of equity ownership						30.00%
Initial investment balance						$ 0

[1] Wecast InternetStarting from October 2016, we have 50% interest in Wecast Internet Limited (“Wecast Internet”) and initial investment was invested RMB 1,000,000 (approximately $149,750). Wecast Internet is in the process of liquidation and the remaining carrying value is immaterial.

[2] Hua Cheng Hu Dong (Beijing) Film and Television Communication Co., Ltd.(“Hua Cheng”)The Company held 39% equity ownership in Hua Cheng, a company established to provide integrated value-added service solutions for the delivery of VOD and enhanced content for cable providers.