Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 51,378,642	$ 20,759,432
Accounts receivable, less allowance for doubtful accounts of $5,033,035 in 2020 and $1,720,477 in 2021	53,378,437	47,395,423
Prepaid expenses	4,044,056	2,486,860
Other current assets	3,397,418	6,883,554
Total current assets	112,198,553	77,525,269
Property and equipment, net	49,843,166	53,667,550
Operating lease right-of-use assets	34,155,175	34,419,663
Finance lease right-of-use assets	320,000	333,333
FCC licenses	508,413,913	508,558,355
Goodwill	28,596,547	28,596,547
Other intangibles, net	22,697,207	25,859,192
Other assets	5,863,501	9,654,447
Total assets	762,088,062	738,614,356
Current liabilities:
Accounts payable	6,995,081	12,395,407
Operating lease liabilities	7,693,831	7,006,194
Finance lease liabilities	1,945	70,171
Other current liabilities	29,811,226	20,988,441
Total current liabilities	44,502,083	40,460,213
Due to related parties	372,193	5,621,364
Long-term debt, net of current installments and unamortized debt issuance costs	293,789,892	258,345,380
Operating lease liabilities	28,747,450	29,632,908
Finance lease liabilities		1,945
Deferred tax liabilities	115,689,317	120,913,983
Other long-term liabilities	15,904,829	16,536,743
Total liabilities	499,005,764	471,512,536
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized; none issued
Additional paid-in capital	150,896,611	154,004,965
Treasury stock, Class A common stock; 3,253,691 shares in 2020; 3,552,455 shares in 2021	(29,021,360)	(28,187,857)
Retained earnings	142,220,494	143,304,213
Accumulated other comprehensive loss	(1,046,357)	(1,426,619)
Total stockholders' equity	263,082,298	267,727,294
Noncontrolling interests		(625,474)
Total equity	263,082,298	267,101,820
Total liabilities and equity	762,088,062	738,614,356
Class A Common Stock [Member]
Stockholders' equity:
Common stock	16,248	15,930
Class B Common Stock [Member]
Stockholders' equity:
Common stock	$ 16,662	$ 16,662

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4531-111522