Discontinued Operations (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Accounts receivable, net	$ 52,326	$ 78,407
Inventories, net of reserve for obsolete inventories	31,254	31,019
Advances to suppliers	209,046	200,275
Equipment held for sale		1,147,035
Prepaid expenses and other	205,704	302,250
Total current assets	498,330	1,758,986
Total assets	498,330	1,758,986
Current liabilities:
Accounts payable	462,839	458,433
Accrued expenses and other liabilities	61,190	45,280
Advances from customers	25,767	54,948
Total current liabilities	549,796	558,661
Total liabilities	$ 549,796	$ 558,661