XML 18 R7.htm IDEA: XBRL DOCUMENT v3.21.2
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Adjustments to reconcile net income to net cash provided by operating activities:    
Unrealized (gain) loss on net put/call option $ (162,000) $ 81,000
Net cash provided by operating activities - continuing operations 1,662,873 4,785,208
Net cash used in operating activities - discontinued operations (603,296) (941,718)
Net cash provided by (used in) operating activities 1,059,577 3,843,490
Cash flows from investing activities    
Additions to property, plant and equipment and construction in progress (497,296) (710,823)
Proceeds from asset dispositions 44,860 450
Net cash used in investing activities (452,436) (9,210,373)
Cash flows from financing activities    
Dividends paid to common shareholders (2,584,691) (2,564,980)
Dividends paid to preferred shareholders (5,200) (5,738)
Dividends paid to non-controlling interests (649,880)  
Repurchase of redeemable preferred stock (14,863) 0
Proceeds received from exercise of stock options 1,709 4,418
Principal repayments on long-term debt (23,195) (13,158)
Net cash used in financing activities (3,276,120) (2,579,458)
Net decrease in cash and cash equivalents (2,668,979) (7,946,341)
Cash and cash equivalents at beginning of period 43,794,150 42,071,083
Cash and cash equivalents at beginning of period - discontinued operations 154,130 831,586
Less: cash and cash equivalents at end of period - discontinued operations (69,158) (827,806)
Cash and cash equivalents at end of period 41,210,143 34,128,522
Interest paid in cash 5,498 5,344
Non-cash transactions:    
Dividends declared but not paid 1,295,377 1,288,154
Transfers from (to) inventory to (from) property, plant and equipment and construction in progress 148,138 (49,133)
Transfers from construction in progress to property, plant and equipment 166,335 1,400,811
Right-of-use assets obtained in exchange for new operating lease liabilities 1,852,608 16,383
Purchase of equipment through issuance of long-term debt 58,220 122,292
Aerex    
Cash flows from investing activities    
Acquisition of noncontrolling interest in subsidiaries $ 0 $ (8,500,000)