v3.8.0.1
Consolidated Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Cash flows from operating activities:    
Net loss $ (5,369,553) $ (7,294,489)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation expense 62,475 92,667
Amortization of patents 510,676 70,699
Stock compensation 651,413 1,850,760
Loss China joint venture 120,510 795,827
Increase inventories allowance 219,834
Changes in operating assets and liabilities:    
(Increase) Decrease in accounts receivable (733,129) 635,017
Decrease (Increase) in accounts receivable related party 989,150 (1,727,210)
Decrease in other receivable 10,000 48,515
Decrease (Increase) in inventories 1,003,676 (509,462)
Decrease to advances on contracts 3,708 514,228
(Increase) Decrease in prepaid expenses and other current assets (144,481) 12,675
(Increase) Decrease in other assets (9,523)
(Decrease) Increase in accounts payable (363,584) 486,348
Decrease in accounts payable related party (249,374)
Decrease in deferred profit, related party (489,630) (620,041)
Increase (Decrease)in accrued expenses and other payables 1,834,749 (755,915)
Increase in deferred revenue 723,650 1,001,800
Net cash used in operating activities (1,229,434) (5,398,581)
Cash flows from investing activities:    
Purchase of intangible assets (39,520) (15,615)
Purchase of property and equipment (6,008) (15,344)
Purchase of intangibles assets-APAD (153,647)
Consolidation of variable interest entity 39,165
Net cash (used in) provided by investing activities (199,175) 8,206
Cash flows from financing activities:    
Net proceeds on Private Placement Offering 2,225,000
Net proceeds on Public offering 150,836 2,573,220
Proceed from financing transaction 250,000
Proceeds from exercise of stock options 62,500  
Net cash provided by financing activities 463,336 4,798,220
Net decrease in cash and cash equivalents (965,273) (592,155)
Cash and cash equivalents at beginning of period 3,602,229 4,194,384
Cash and cash equivalents at end of period 2,636,956 3,602,229
Supplemental disclosure of cash flow information:    
Net assets acquired from variable entity 16,346
Income tax paid
Shares issued to acquire APAD technology 2,486,000
Sale of Milestone China shares, financing transaction 1,150,000
Shares issued to employees for bonus 194,885 389,318
Shares issued to consultants in lieu of cash payments $ 350,249 $ 366,299

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