Intangible assets amortization expenses (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Intangible assets amortization expenses
Amortization expenses relating to intangible assets	$ 65,643	$ 73,498	$ 199,609	$ 246,009

The aggregate expense charged against earnings to allocate the cost of acquired intangible assets. As a noncash expense, this element is added back to net income when calculating cash provided by (used in) operations using the indirect method.

No definition available.

Name:	fil_AmortizationExpensesRelatingToIntangibleAssets
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration