Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Cash flows from operating activities:
Net loss	$ 199,818	$ (433,788)	$ (1,717,494)	$ (556,404)
Adjustments to reconcile net income to net cash provided by operating activities:
Non-controlling interest	(33)	(87)	(586)	(515)
Bad debt expense			0	8,489
Loss on equity investments in affiliates	12,349	18,701	31,047	44,445
Depreciation and amortization			30,488	31,551
Stock options expense			64,797	4,234
Foreign exchange gain (loss)			(755)	194
Disposal gain on property and equipment			0	454
Retirement allowance			220,073	91,079
Changes in operating assets and liabilities:
Account receivable, net			1,676,320	(18,035)
Prepaid expenses and other current assets			(594,521)	55,982
Deposit			18,141	17,928
Deferred taxes			21,426	25,249
Account payable			(139,899)	94,669
Accrued expenses and other			(468,195)	(85,307)
Advanced receipts			0	(128,293)
Value added tax payable			(114,866)	(7,193)
Income tax payable			24,124	(10,282)
Net cash used in operating activities			(949,900)	(431,755)
Cash flows from investing activities:
Purchases of short-term investments			(1,833)	(262,684)
Purchases of property and equipment			(31,846)	(77,892)
Purchases of patent			(46,208)	(5,374)
Purchases of other intangible assets			0	(4,693)
Borrowings from short-term loans			110,003	0
Net cash provided by (used in) investing activities			30,116	(350,643)
Cash flows from financing activities:
Net receipt of government grants			38,589	26,888
Proceeds from short-term borrowings			641,684	0
Purchase of treasury stock			(826,408)	0
Borrowings from loans payable			229,173	0
Repayments of loans payable			0	(87,526)
Net cash provided by (used in) financing activities			83,038	(60,638)
Effect of foreign currency translation on cash and cash equivalents			(121,868)	83,563
Net decrease in cash and cash equivalents			(958,614)	(759,473)
Cash and cash equivalents including restricted cash, beginning of year			3,235,481	3,627,979	$ 3,627,979
Cash and cash equivalents including restricted cash, end of year	$ 2,276,867	$ 2,868,507	2,276,867	2,868,507	$ 3,235,481
Supplemental disclosure of cash flow information:
Interest paid			11,726	8,171
Taxes paid			$ 20,967	$ 21,016