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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Cash flows from operating activities |  |
Net income (loss) | $ 2,667,000 | $ (1,657,000)
Adjustments to reconcile net income (loss) to net cash provided by operating activities |  |
Depreciation | 2,035,000 | 718,000
Amortization of intangible assets | 3,033,000 | 1,079,000
Stock-based compensation | 5,981,000 | 3,043,000
Non cash lease expense | 737,000 | 512,000
Loss from equity method investment in SAVSU | 0 | 739,000
Gain on acquisition of SAVSU | 0 | (10,108,000)
Change in fair value of contingent consideration | 1,575,000 | 50,000
Deferred income tax benefit | (3,297,000) | (1,541,000)
Change in fair value of warrant liability | (3,601,000) | 12,835,000
Change in fair value of investments | (1,319,000) | 0
Stock issued for services | 60,000 | 0
Loss on disposal of assets held for rent, net | 365,000 | 0
Other | 190,000 | 15,000
Change in operating assets and liabilities |  |
Accounts receivable, trade, net | (1,786,000) | (290,000)
Inventories | (629,000) | (3,777,000)
Prepaid expenses and other current assets | 25,000 | (704,000)
Accounts payable | (171,000) | 768,000
Accrued expenses and other current liabilities | 780,000 | (327,000)
Other | 0 | (142,000)
Net cash provided by operating activities | 6,645,000 | 1,213,000
Cash flows from investing activities |  |
Purchase of property and equipment | (1,961,000) | (675,000)
Deposits on property and equipment | (2,672,000) | 0
Purchase of assets held for lease | (2,813,000) | (1,655,000)
Deposits on assets held for lease | (362,000) | 0
Proceeds from sale of equipment | 35,000 | 0
Net cash used in investing activities | (24,715,000) | (27,018,000)
Cash flows from financing activities |  |
Payments of contingent consideration | (483,000) | 0
Proceeds from sale of common stock, net of $6.2 million of costs | 100,121,000 | 0
Proceeds from exercise of common stock options | 1,471,000 | 1,181,000
Proceeds from exercise of warrants | 40,000 | 574,000
Payment of costs related to stock issuance | 0 | 0
Other | (55,000) | (159,000)
Net cash provided by financing activities | 102,078,000 | 1,596,000
Net increase (decrease) in cash, cash equivalents, and restricted cash | 84,008,000 | (24,209,000)
Cash, cash equivalents, and restricted cash – beginning of year | 6,448,000 | 30,657,000
Cash, cash equivalents, and restricted cash – end of year | 90,456,000 | 6,448,000
Non-cash investing and financing activities |  |
Cashless exercise of warrants reclassed from warrant liability to common stock | 33,111,000 | 0
Equipment acquired under operating leases | 8,096,000 | 0
Reclassification of warrant liabilities to equity upon exercise | 110,000 | 1,749,000
Purchase of property and equipment not yet paid | 0 | 29,000
Bonus Consideration [Member] |  |
Non-cash investing and financing activities |  |
Stock issued | 314,000 | 0
Paycheck Protection Program CARES Act [Member] |  |
Cash flows from financing activities |  |
Proceeds from Loan | 2,175,000 | 0
Payoff of PPP Loan | (2,175,000) | 0
Equipment Loans [Member] |  |
Cash flows from financing activities |  |
Proceeds from Loan | 984,000 | 0
Investment in Sexton [Member] |  |
Cash flows from investing activities |  |
Investment | 0 | (1,500,000)
Investment in iVexSol convertible debt | 0 |
IVexSol Convertible Debt Investment [Member] |  |
Cash flows from investing activities |  |
Investment in iVexSol convertible debt |  | (1,000,000)
IVexSol Preferred Stock Investment [Member] |  |
Cash flows from investing activities |  |
Investment | (1,000,000) | 0
PanTHERA Cryosolutions Investment [Member] |  |
Cash flows from investing activities |  |
Investment | (995,000) | 0
SAVSU [Member] |  |
Cash flows from investing activities |  |
Business acquisition net of cash | 0 | 1,251,000
Non-cash investing and financing activities |  |
Stock issued as consideration to acquire business | 0 | 19,932,000
Astero [Member] |  |
Cash flows from investing activities |  |
Business acquisition net of cash | 0 | (12,439,000)
CBS Acquisition [Member] |  |
Cash flows from investing activities |  |
Business acquisition net of cash | 0 | (11,000,000)
Non-cash investing and financing activities |  |
Stock issued as consideration to acquire business | 0 | 4,000,000
SciSafe Holdings, Inc [Member] |  |
Adjustments to reconcile net income (loss) to net cash provided by operating activities |  |
Change in fair value of contingent consideration | 3,300,000 |
Cash flows from investing activities |  |
Business acquisition net of cash | (14,947,000) | 0
Non-cash investing and financing activities |  |
Stock issued as consideration to acquire business | $ 17,916,000 | $ 0

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