Notes and advances payable (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Officers, directors and affiliates:
Note payable	$ 27,104	$ 30,546
Collateralized note payable	120,728	120,728
Total officers, directors and affiliates	147,832	151,274
Less: Current portion of officers, directors, and affiliates	135,084	134,839
Long-term portion of officers, directors, and affiliates	12,748	16,435
Unrelated parties:
Total unrelated parties	1,303,108	1,273,678
Less: Current portion of unrelated parties	361,368	240,750
Long-term portion of unrelated parties	941,740	1,032,928
Notes Payable [Member]
Unrelated parties:
Total unrelated parties	100,000	100,000
Notes Payable One [Member]
Unrelated parties:
Total unrelated parties	20,175	22,737
Notes Payable Two [Member]
Unrelated parties:
Total unrelated parties	150,000	150,000
Notes Payable Three[Member]
Unrelated parties:
Total unrelated parties	12,091	13,566
Notes Payable Four [Member]
Unrelated parties:
Total unrelated parties	523,000	523,000
Notes Payable Five [Member]
Unrelated parties:
Total unrelated parties	62,000	62,000
Notes Payable Six [Member]
Unrelated parties:
Total unrelated parties	183,000	183,000
Notes Payable Seven [Member]
Unrelated parties:
Total unrelated parties	97,750	97,300
Notes Payable Eight [Member]
Unrelated parties:
Total unrelated parties	98,500	98,200
Notes Payable Nine [Member]
Unrelated parties:
Total unrelated parties	24,063	23,875
Notes Payable Ten [Member]
Unrelated parties:
Total unrelated parties	$ 32,529	$ 0