Segment Reporting (Details Narrative) - customer	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Dec. 31, 2015
Revenue
Revenue, Major Customer [Line Items]
Number of customers accounting for greater than 10% of accounts receivable or revenues	1	1
Accounts receivable
Revenue, Major Customer [Line Items]
Number of customers accounting for greater than 10% of accounts receivable or revenues				3
Datang Telecom International Technology Co., Ltd [Member] | Customer concentration risk | Accounts receivable
Revenue, Major Customer [Line Items]
Percentage accounted for by one customer			15.00%
Huawei Technologies Co., Ltd [Member] | Customer concentration risk | Accounts receivable
Revenue, Major Customer [Line Items]
Percentage accounted for by one customer			12.00%
Hitachi Data Systems [Member] | Customer concentration risk | Revenue
Revenue, Major Customer [Line Items]
Percentage accounted for by one customer	10.00%	11.00%
Hitachi Data Systems [Member] | Customer concentration risk | Accounts receivable
Revenue, Major Customer [Line Items]
Percentage accounted for by one customer			14.00%
Community Health Services [Member] | Customer concentration risk | Accounts receivable
Revenue, Major Customer [Line Items]
Percentage accounted for by one customer	23.00%