Quarterly report pursuant to Section 13 or 15(d)

Other long-term assets (Schedule of Other Long-Term Assets) (Details)

v3.7.0.1
Other long-term assets (Schedule of Other Long-Term Assets) (Details)
6 Months Ended
Jun. 30, 2017
USD ($)
Goodwill:  
Goodwill, beginning $ 447,951
Additions
Impairments
Goodwill, ending 447,951
Accumulated amortization (60,712)
Total other long-term assets:  
Cost, beginning 1,480,933
Additions 12,965
Impairments
Cost, ending 1,493,898
Cost, beginning (542,895)
Additions (35,316)
Impairments
Cost, ending (578,211)
Other long-term assets, net, beginning 938,038
Additions (22,351)
Impairments
Other long-term assets, net, ending 915,687
Patents [Member]  
Patents:  
Cost, beginning 1,032,982
Additions 12,965
Impairments
Cost, ending 1,045,947
Accumulated amortization, beginning (482,183)
Additions (35,316)
Impairments
Accumulated amortization, ending $ (517,499)