XML 16 R5.htm IDEA: XBRL DOCUMENT v3.10.0.1
Consolidated Statements of Cash Flows (Unaudited) - USD ($)
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Cash flows from operating activities:    
Net (loss)/income $ (3,274,924) $ 3,676,787
Adjustments to reconcile net (loss)/income to net cash provided by/(used in) operating activities:    
Stock-based compensation expense 703,567 677,552
Depreciation and amortization 824,861 623,656
Deferred tax (benefit)/expense (315,922) 559,123
Provision for doubtful accounts 275 3,724
Changes in operating assets and liabilities:    
Accounts receivable, net (529,026) (3,453,556)
Contract assets 5,845,869 (1,861,408)
Inventories 214,119 263,531
Prepaid expenses and other current assets (370,257) (202,656)
Deposits and other assets 144,715 23,613
Increases/(decreases) in operating liabilities:    
Accounts payable and accrued expenses (874,293) 649,089
Contract liabilities (237,098) (5,046,437)
Deferred revenue 598,494 420,965
Total adjustments 6,005,304 (7,342,804)
Net cash provided by/(used in) operating activities 2,730,380 (3,666,017)
Cash flows from investing activities:    
Capital expenditures (2,258,379) (618,505)
Deposits (6,800) (9,127)
Net cash (used in) investing activities (2,265,179) (627,632)
Cash flows from financing activities:    
Net proceeds from stock options exercised 22,120
Principal payments of long-term debt (483,930) (225,000)
Net cash (used in) financing activities (483,930) (202,880)
Net (decrease) in cash and cash equivalents (18,729) (4,496,529)
Cash and cash equivalents at beginning of period 14,210,909 21,677,186
Cash and cash equivalents at end of period 14,192,180 17,180,657
Supplemental disclosure of cash flow information:    
Income taxes paid 395,000 701,800
Interest paid $ 355,322 $ 52,433